What was Frank’s body temperature before thrax entered?
Answers
Answer:
108 degrees
Explanation
Frank's body temperature was 108 degrees
Hope this helped!
Related Questions
Which body cells can only run the anaerobic energy extraction pathway?
A. Muscle cells.
B. Red blood cells.
C. All of the body's cells run the anaerobic pathway.
D. None of the body's cells run the anaerobic pathway.
Answers
B. Red blood cells.
They can only run the anaerobic energy extraction pathway.
Which of the following is NOT a piece of information that scientists can obtain from the fossil record?
A. Changes that the Earth’s climate has experienced
B. Information about organisms that lived long ago
C. Changes organisms have experienced over time
D. Information about every single plant and animal that have ever existed
Please answer why you chose this answer
Answers
Option D. Information about every single plant and animal that have ever existed is NOT a piece of information that scientists can obtain from the fossil record.
What does the phrase 'the fossil record is discontinuous mean?The phrase 'the fossil record is discontinuous means that it does not exhibit all the evolution process including all animals and plants once live on earth.
Therefore, with this data, we can see that the phrase 'the fossil record is discontinuous indicates it has gaps in information that need to be filled with different sources of data.
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The fossil record provides evidence of the existence of many plants and animals that lived in the past, but it is not complete and does not contain information about every single species that has ever existed. Fossils are only formed under certain conditions, and many organisms that lived in the past never became fossilized. Therefore, the fossil record is a selective sample of the Earth's biotic history.
The Peruvian anchovy fishery occurs a highly productive region with coastal upwelling. Why is this fishery considered to have high trophic efficiency? a. anchovies are r-selected organisms b. anchovies are primary consumers feeding on plankton c. the fishery has 7 trophic levels which makes it very efficient
d. anchovies are primary producers with high photosynthetic rates e. anchovies consume other fish
Answers
The Peruvian anchovy fishery is considered to have high trophic efficiency because anchovies are primary consumers feeding on plankton. This means that they are situated low in the food chain, consuming primary producers like phytoplankton directly.
The Peruvian anchovy fishery occurs in a highly productive region with coastal upwelling. Therefore, it is considered to have high trophic efficiency because anchovies are primary consumers feeding on plankton. The correct option is b. anchovies are primary consumers feeding on plankton. Trophic efficiency is a measure of the amount of energy that flows through each level of the food chain.
The Peruvian anchovy fishery is an excellent example of a highly efficient food chain due to its short length and high trophic efficiency. Anchovies are primary consumers that feed on plankton, which are tiny organisms that live in the ocean. Since plankton is high in nutrients, anchovies can efficiently convert these nutrients into energy for growth and reproduction. This is why anchovies are so efficient at converting energy into biomass, which makes them valuable for commercial fishing.
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PLEASE HELP ANSWER FAST!
Human activities, such as overhunting and destruction of habitat, once caused sudden drops in populations of animals like buffalo and
elephant seals. Which term describes what happens to these populations genetically?
A. founding
B. allelic frequency
C. diversity
D. bottleneck
Answers
Answer:
Human activities, such as overhunting and destruction of habitat, once caused sudden drops in populations of animals like buffalo and elephant seals.
Which term describes what happens to these populations genetically?
A. founding
B. allelic frequency
C. diversity
D. bottleneckExplanation:
You're welcome.
it's a
A. the founder effect
Please help me write a REPLY! It should be evident you read the post and have a thoughtful response.
• The reply should be at least FIVE sentences total. Replies should not say "cool post", "good idea", etc., but answer the post based on the following criteria.
• Is the post detailed enough to describe the discussion topic?
• Does the post grab your interest? Why/not?
• If applicable, is the post supported with proper scientific sources and citations?
POST:
Genetic technology has brought about many advances in different fields, including agriculture. With the advent of CRISPR-Cas9 gene editing, scientists have been able to make precise changes to the genetic code of crops and livestock, leading to increased yields, better resistance to pests and disease, and improved meat quality. Research shows that “CRISPR-Cas9 edits genes by precisely cutting DNA and then letting natural DNA repair processes to take over. The system consists of two parts: the Cas9 enzyme and a guide RNA” (CRISPR/Cas9, 2022). This technology has been integrated into agriculture, with farmers and researchers using it to develop more sustainable and healthier food systems.
One of the most significant benefits of using CRISPR-Cas9 in agriculture is the potential to reduce the use of harmful chemicals. For instance, scientists have been able to develop crops that are more resistant to pests and disease, which reduces the need for pesticides and herbicides. This not only saves farmers money but also makes food safer and healthier for consumers. Reducing the use of these chemicals also has the potential to improve soil health and reduce water pollution, leading to a more sustainable food system. CRISPR-Cas9 also has the potential to improve crop yields. For example, researchers have used gene editing to develop crops that can withstand harsh weather conditions, such as drought and extreme temperatures. This means that farmers can produce more crops even in unfavorable conditions, improving food security and reducing the likelihood of food shortages. Additionally, researchers have used CRISPR-Cas9 to improve the nutritional content of crops, such as developing varieties of rice with higher levels of Vitamin A, which can help prevent blindness in children in developing countries.
The use of CRISPR-Cas9 in livestock has also shown great promise. Gene editing can improve the health and welfare of animals, for example, by developing livestock that are more resistant to diseases. This not only reduces the use of antibiotics in agriculture but also reduces the suffering of animals. Additionally, gene editing can improve the quality of meat, making it more nutritious and better tasting. This could potentially reduce the amount of meat required to meet nutritional needs, which could in turn reduce the environmental impact of livestock farming. However, despite these potential benefits, there are also some concerns surrounding the use of CRISPR-Cas9 in agriculture. One concern is that the technology could be used to produce “designer” crops or livestock, which could have unintended consequences for the environment and human health. For example, developing crops that are resistant to herbicides could lead to the overuse of these chemicals, leading to resistance in weeds and potential harm to human health. Similarly, developing livestock that are resistant to antibiotics could lead to the spread of antibiotic-resistant diseases, which would be detrimental to human health.
In conclusion, I do believe this to be effective. The integration of CRISPR-Cas9 gene editing into agriculture has the potential to greatly benefit society by improving crop yields, reducing the use of harmful chemicals, and improving the health and quality of livestock. However, there are also some concerns about the technology that must be carefully considered and addressed to ensure its safe and responsible use. The potential benefits and concerns surrounding the use of CRISPR-Cas9 in agriculture must be weighed carefully to ensure that this technology is used in a way that benefits both the environment and society.
Answers
I found your discussion about the potential reduction in the use of harmful chemicals in agriculture particularly interesting. The ability to develop crops that are more resistant to pests and disease could greatly reduce the need for pesticides and herbicides, which would make food safer and healthier for consumers. Additionally, the potential to improve soil health and reduce water pollution through the reduction in the use of these chemicals could have a significant impact on creating a more sustainable food system.
Your discussion of the concerns surrounding the technology was also very informative. The potential for the development of "designer" crops or livestock is a legitimate concern, as unintended consequences for the environment and human health could arise. It is important that these concerns are carefully considered and addressed to ensure that the technology is used in a safe and responsible manner.
Overall, your post provided a balanced and thoughtful discussion of the potential benefits and concerns surrounding the use of CRISPR-Cas9 in agriculture. The use of this technology could have a significant impact on improving crop yields, reducing the use of harmful chemicals, and improving the health and quality of livestock. However, it is essential that the technology is used in a way that balances these potential benefits with careful consideration of any potential risks.
Give me Brainliest answer, please.
Describe a typical vertebra, and distinguish among the cervical, thoracic, and lumbar vertebrae.
Answers
The Description of a typical vertebra, as well as to distinguish among the cervical, thoracic, and lumbar vertebrae is given below.
What is a vertebra?A vertebra's body and vertebral arch make up a typical vertebra. The paired pedicles and paired laminae form the arch. The transverse, spinous, superior, and inferior articular processes protrude from the vertebral arch. The spinal cord can pass via the vertebral foramen.
A rib head articulates with those of the long spinous process of each thoracic vertebra. The lumbar vertebrae have a larger and more robust body than the cervical and thoracic vertebrae. The spinous process is short and projects posteriorly, the transverse processes are bigger and thinner.
Therefore, one need to know that the position of the cervical, thoracic, and lumbar vertebrae is the main distinction between them. The cervical vertebrae are located in the neck region, whereas the thoracic and lumbar vertebrae are located in the thorax and lower back, respectively. There are said to be 5 lumbar vertebrae, 7 cervical vertebrae, and 12 thoracic vertebrae.
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A typical vertebrae is defined as the bone that makes up the vertebral column and it's made up of the body and the vertebral arch.
What is the difference that exists between vertebrae?There are various vertebral bones that makes up the vertebral column and they include the following:
The cervical vertebrae: This is the vertebral bone that makes up the first 7 bones of the vertebral column. They are usually labelled C1 to C7. The C1 is called the atlas while the C2 is called the axis. The cervical vertebrae is different from the rest because of the presence of one foramen, in each transverse process.The thoracic vertebrae: This is the vertebral bone that makes up the first T1 to T12 bones of the vertebral column. They are different from other vertebrae because of their long, slender spines and by the presence of facets on the sides of the bodies articulating with the heads of the ribs.The lumbar vertebrae:This is the vertebral bone that makes up the first L1 to L5 bones of the vertebral column.They are different from others because of the presence of large vertebral body.Learn more about bones here:
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Which of these factors are required for biological evolution to occur? Select all that apply.A) genetic variation in the populationB) natural selectionC) variation in acquired traits among individuals in the populationD) a large populationE) many generations
Answers
A)Natural selection is indeed a significant force in biological evolution, although it is only one of many potential causes.
Particularly in smaller populations, certain genes or characteristics evolve through random processes like genetic drift. Recall that the alteration with in allele frequencies of the a population across generations is what is meant by biological evolution.
Variation, inheritance, and disparate reproductive success are three straightforward criteria that lead to evolution via natural selection. Natural selection doesn't really affect genotypes directly: It functions by taking advantage of phenotypic variations among population members. Evolution is governed by four principles: variation, inheritance, selection, and time. These are regarded as the elements of natural selection's evolutionary mechanism. Natural selection, genetic drift, gene flow, and mutation are the four driving forces behind evolution.
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Development in animals proceeds through 4 main phases. Please complete the statements below regarding these stages of development.
differentiate
four
characteristics
three
segments
limbs
body axes
Answers
Development in animals proceeds through 4 main phases. These phases are the following:1. Fertilization 2. Cleavage3. Gastrulation4. Organogenesis.
Fertilization is the process by which a sperm cell fuses with an ovum to form a zygote. Cleavage is a series of rapid mitotic cell divisions that produce a large number of smaller cells known as blastomeres. The cytoplasm of the original zygote divides into progressively smaller cells until a solid ball of cells called a morula is formed. Gastrulation is the process by which the developing blastula undergoes a series of cell movements that transform it into a multilayered embryonic disc. During gastrulation, the blastula is reorganized into a three-layered embryo with a primitive gut that has an opening at both ends. Organogenesis is the process by which the three germ layers give rise to the various organs and organ systems of the body. Organogenesis is completed in two overlapping phases: embryonic development, which occurs during the first two months of development, and fetal development, which occurs from the third month until birth. During the development of animals, the differentiation process is also important. Differentiation is the process by which unspecialized embryonic cells become specialized, with different tissues and organs forming. The differentiation process begins after gastrulation, and it continues throughout development. Embryonic development is divided into four main phases. These four phases are as follows: fertilization, cleavage, gastrulation, and organogenesis.
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Carbon dioxide is a greenhouse gas and contributes to global warming.
True
False
Answers
Answer:
True
Explanation:
Questions why is the heating in the Benedict's is test and millon test carried out in a water bath
Answers
The heating in the Benedict's test and Millon test is carried out in a water bath to maintain a constant and controlled temperature. This ensures accurate and reliable results by minimizing external factors that could influence the reactions taking place.
The Benedict's test and Millon test are both chemical tests used to detect the presence of reducing sugars, such as glucose, in a given solution. These tests involve a reaction between the reducing sugar and a reagent, which undergoes a color change in the presence of the sugar.
Heating is an essential step in both tests because it helps to facilitate the reaction between the reducing sugar and the reagent. By applying heat, the rate of reaction increases, allowing for faster and more reliable results. However, it is crucial to maintain a consistent and controlled temperature throughout the reaction to ensure accuracy.
A water bath is used for this purpose. A water bath consists of a container filled with water that is heated to a specific temperature, typically around 70-100 degrees Celsius, depending on the test being performed. Placing the test tubes containing the reaction mixture into the water bath allows the solution to be heated uniformly and consistently.
The water bath provides a stable and controlled environment, preventing sudden temperature fluctuations that could affect the reaction rate and, consequently, the test results. It helps to maintain the reaction at the desired temperature for a specified duration, ensuring optimal conditions for the reaction to occur.
By carrying out the Benedict's test and Millon test in a water bath, scientists and laboratory technicians can achieve reliable and reproducible results, allowing for accurate identification of the presence of reducing sugars in a given solution.
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Which material makes up more than half of the cells volume ? Ribosomes or cytoplasm
Answers
Cytoplasm is the material which makes up more than half of the cells volume.
What is Cytoplasm?The cytoplasm is all of the material which is present within a eukaryotic cell, it is enclosed by the cell membrane, except for the nucleus of the cell. The material which is present inside the nucleus and contained within the nuclear membrane is termed as the nucleoplasm.
The main components of the cytoplasm is the cytosol, which is a gel-like substance, the organelles, internal sub-structures of the cell, and various other cytoplasmic inclusions. The cytoplasm is made up of about 80% water and is usually colorless when viewed.
All the organelles are present in this cytoplasm. It is the living part of the cell.
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A teacher wants to know whether the scent of citrus in the classroom influences students' performance on the SAT math test.
During a first-period class, the teacher administers the test as usual with no fragrance in the room and records the students' scores.
During the second period, a different group of students enter the room. The teacher sprays the room with a citrus fragrance and administers the same math test. The teacher records the students' scores.
In this study, what is the independent variable and what is the dependent variable?
A. The independent variable is the teacher's first-period class, and the dependent variable is the second-period class.
B. The independent variable is the classroom, and the dependent variable is the teacher.
C. The independent variable is the score on the math test, and the dependent variable is the citrus smell.
D. The independent variable is the citrus smell, and the dependent variable is the score on the math test.
Answers
In this study, the option that is the independent variable and the dependent variable is C. The independent variable is the score on the math test, and the dependent variable is the citrus smell.
Which variable is dependent and which is independent?In mathematical modeling, statistical modeling, and experimental sciences, there are dependent and independent variables. Dependent variables are so-called because, during an experiment, their values are examined on the assumption or presumption that they are governed by the values of other variables.
Note that the cause is the independent variable. Its value is unaffected by the other study variables. Effect is the dependent variable. Changes in the independent variable affect its value.
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what would be the initial outcome of decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration? a.carbon dioxide levels would increase. b.more glucose would be available to animals. c.oxygen levels would increase. d.animals would access energy directly from sunlight.
Answers
The initial outcome of decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would be a. carbon dioxide levels would increase
Photosynthetic organisms, such as green plants and algae, are those that transform light energy into organic molecules using photosynthesis. They are the primary producers in almost all terrestrial and aquatic ecosystems, generating the basic food source for nearly all animals, including humans. The organisms that undergo cellular respiration, on the other hand, are animals, fungi, and other bacteria that respire organic substances, such as sugars, to acquire energy for their metabolic processes. They are consumers that depend on producers to survive.
Carbon dioxide \((CO_{2} )\) is produced during the respiration process. The more the number of organisms using cellular respiration, the greater the amount of \((CO_{2} )\) they will release into the environment. Because there is no change in the number of organisms using cellular respiration, a decrease in photosynthetic organisms would result in an increase in \((CO_{2} )\). This is because there would be fewer producers using \((CO_{2} )\) and more consumers respiring \((CO_{2} )\), resulting in an overall increase in the atmospheric \((CO_{2} )\) concentration.
As a result, decreasing the number of photosynthetic organisms on earth with no change in the number of organisms using cellular respiration would cause carbon dioxide levels to rise. Therefore, option A is the correct answer.
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Myelination of the brain and spinal cord is complete by the time of birth.
TRUE OR False ?
Answers
The given statement "Myelination of the brain and spinal cord is complete by the time of birth" is False.
Myelination is the process of coating axons with a fatty substance known as myelin.
This coating, which acts as an insulator, speeds up the transmission of nerve impulses and allows for more efficient signal transduction.
The brain and spinal cord are both covered in myelin. Myelination begins in the brainstem at roughly 3 to 4 months of gestation and continues until about 20 years old in various brain regions.
At the time of birth, only certain parts of the brain and spinal cord are myelinated, and the process of myelination continues until early adulthood. The prefrontal cortex, which is responsible for decision-making, attention, and personality, is among the last regions to be myelinated, which explains why adolescent behavior is characterized by impulsivity and poor decision-making.
Based on the above-given explanation, the statement "Myelination of the brain and spinal cord is complete by the time of birth" is False.
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Explain anaerobic respiration and its disadvantages compared to aerobic respiration.
Answers
Anaerobic respiration is less energy-efficient but allows survival in habitats that lack oxygen.
Aerobic respiration produces more ATP but risks exposure to oxygen toxicity. Anaerobic respiration is energy inefficient but allows survival in hypoxic environments. In the human body, both aerobic and anaerobic respiration are important for muscle function. Compared to aerobic respiration, anaerobic respiration produces only two ATP and lactate.
Lactic acid is produced during anaerobic respiration and causes pain and spasms when the muscles move vigorously. Anaerobic respiration is relatively rapid and does not require oxygen. Disadvantages: Anaerobic respiration produces only two ATPs and produces lactate. Most of the lactic acid diffuses from the cells into the bloodstream and is then absorbed by the liver. Cellular respiration that occurs without oxygen is anaerobic respiration.
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why is it necessary to collect goldfish color frequency data over many generations instead of juist grom one generatio
Answers
Collecting goldfish color frequency data over many generations is necessary because it helps to identify whether the observed trait is heritable or not.
In a single generation, environmental factors such as diet, temperature, and water quality can influence the coloration of the goldfish, and these non-genetic factors can mask the underlying genetic variation. By observing the color frequencies over multiple generations, it becomes possible to see patterns that reflect the underlying genetic inheritance of the trait.
Furthermore, the collection of data over many generations allows for the identification of any changes in the frequency of specific traits over time, which can indicate the presence of evolutionary processes such as genetic drift or natural selection. This long-term data is critical for understanding the genetics and evolution of a particular trait in a population.
The complete question is
Why is it necessary to collect goldfish color frequency data over many generations instead of just from one generation?
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Given that coupling requires a common intermediate, one conceivable mechanism is to use ATP hydrolysis to raise the intracellular concentration of Pị. The increase in Pi concentration would drive the unfavorable phosphorylation of glucose by Pi
Is increasing the Pi concentration a reasonable way to couple ATP hydrolysis and glucose phosphorylation? O Yes. The extra ATP hydrolysis would provide enough free energy to drive the phosphorylation reaction. O No. The extra Pi would give a negative AG'', but would give a positive AG. O No. The phosphate salts of divalent cations would be present in excess and precipitate out. O Yes. Increasing the concentration of Pi would decrease K'eq and shift equilibrium to the right.
Answers
simply increasing the concentration of Pi would not be a reasonable way to couple ATP hydrolysis and glucose phosphorylation. Enzymes like hexokinase are necessary to overcome the unfavorable energetics and drive the coupled reaction in living systems. The correct answer is: B) No. The extra Pi would give a negative ΔG'', but would give a positive ΔG.
Increasing the concentration of inorganic phosphate (Pi) is not a reasonable way to couple ATP hydrolysis and glucose phosphorylation. While ATP hydrolysis releases energy and generates Pi, the reverse reaction of phosphorylating glucose using Pi is not energetically favorable.
The phosphorylation of glucose by Pi has a positive ΔG value, indicating that it is an energetically unfavorable reaction under standard conditions. Increasing the concentration of Pi would not provide enough free energy to drive the phosphorylation reaction of glucose in a thermodynamically favorable manner.
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Complete Question
Given that coupling requires a common intermediate, one conceivable mechanism is to use ATP hydrolysis to raise the intracellular concentration of Pị. The increase in Pi concentration would drive the unfavorable phosphorylation of glucose by Pi. Is increasing the Pi concentration a reasonable way to couple ATP hydrolysis and glucose phosphorylation?
A) Yes. The extra ATP hydrolysis would provide enough free energy to drive the phosphorylation reaction.
B) No. The extra Pi would give a negative ΔG'', but would give a positive ΔG.
C) No. The phosphate salts of divalent cations would be present in excess and precipitate out.
D) Yes. Increasing the concentration of Pi would decrease K'eq and shift equilibrium to the right.
According to the base-pairing rules for DNA, which of the following statements
NOT true?
A always pairs with T
C always pairs with G
T always pairs with G
T always pairs with A
Answers
Answer:
T always pairs with A
Explanation:
I think so I'm super sorry if its wrong :)
According to the base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine, T is not paired with G, hence option C is correct.
What is base-pairing in DNA?Because it is RNA, there is no complementary base pairing between the bases adenine and thymine in DNA. Uracil, which has a structure remarkably similar to that of thymine, is present in place of thymine.
Base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine structure of DNA is created by the binding of these base pairs
Although they keep the two strands of DNA together, they are not strong enough to withstand replication.
Therefore, the base pairing rule, guanine always forms a bond with cytosine, while adenine always pairs with thymine, hence option C is correct.
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Consider the cycle of science shown in the diagram. What would most likely cause the cycle to continue? An explanation inspires new questions and the process of making new observations. A fact inspires new questions and the process of making new observations. A careful systematic process is used in experiments to gather observations and data. A fact is established and more data is needed to convince scientists that it is true.
Answers
Answer:
The correct answer is : An explanation inspires new questions and the process of making new observations.
Explanation:
New things are being found and created in a logical field due to the "Skeptical nature of people" that is posing the inquiries.
The premise of scientific revolution is that another inquiry can be gotten from the clarification of the previous addressed scientific speculation or hypothesis as the clarifications comprises of the information got after the suspicions, perceptions and related tests. This creates novel thoughts of 'if and but situations" in the psyche which prompts the arrangement of another theory subsequently proceeding with the pattern of an a logical examination.
Hence, The correct answer is : An explanation inspires new questions and the process of making new observations.
what happens to the electrons produced in photolysis?
Answers
When the electrons leave the chlorophyll molecules, it leaves behind a 'hole. ' This electron hole is filled in by a water molecule that is oxidized, or loses electrons, as it essentially splits into two hydrogen atoms, or protons, and an oxygen atom.
Answer:
Photolysis. When the electrons leave the chlorophyll molecules, it leaves behind a 'hole.'. This electron hole is filled in by a water molecule that is oxidized, or loses electrons
Explanation:
Hope it helps.. Please give me a brainliest ! - Have a great day <3
PLSSSS HELP IF YOU TURLY KNOW THISSS
Answers
Answer:
none of the above
the actual ans is cerebrum
go ahead and follow me pls
Answer: C i got it right yesterday
Explanation:
Explain how the structure of an enzyme can affect its function.
Answers
Explanation:
i hope the answer will help you !
burned in different chambers at varying temperatures to see
how temperature impacts the amount of NO, produced by
coal combustion.
Explain how the results of the study would be expected to
change if the same experiment were repeated with natural
gas.
Answers
Natural gas only produces thermal oxides of nitrogen while coal produces both thermal and fuel oxides of nitrogen.
NO is a harmful gas that is produced as a byproduct of combustion and can lead to air pollution and respiratory issues when released into the atmosphere.
The higher the combustion temperature, the greater the amount of NO produced during coal combustion. In contrast, natural gas combustion does not produce as much NO because natural gas is primarily composed of methane and has a higher hydrogen-to-carbon ratio than coal, which results in less carbon dioxide and less NO production.
Natural gas combustion occurs at lower temperatures than coal combustion; hence, it produces less NO as a result. To summarize, the results of the study would be expected to show that natural gas combustion produces less NO than coal combustion, and this is attributed to the differences in the composition of coal and natural gas.
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Q- Epa scientists performed an experiment where coal was burned in different chambers at varying temperatures to see how temperature impacts the amount of NO produced by coal combustion explain how the results of the study would be expected to change if the same experiment were repeated with natural gas.
using the example of the peppered moth, explain how environmental change applies selective pressure within the moth population. quixlet
Answers
The peppered moth (Biston betularia) is a classic example of how environmental change can apply selective pressure within a population, leading to evolutionary changes.
Prior to the industrial revolution, the peppered moth population in England consisted mostly of light-colored moths that blended well with the lichen-covered tree trunks, which served as their natural camouflage. However, as industrialization progressed, the air pollution resulted in the darkening of the tree trunks due to soot deposition.
This change in the environment created selective pressure on the moth population. The darkened tree trunks made the light-colored moths more conspicuous to predators, such as birds, leading to higher predation rates. On the other hand, the darker-colored moths had a better chance of blending in with the darkened tree trunks, resulting in lower predation rates. As a result, the frequency of dark-colored moths increased over time, while the frequency of light-colored moths decreased.
This is an example of natural selection, where the environmental change of air pollution created selective pressure that favored the survival and reproduction of individuals with traits that conferred better camouflage against the darkened tree trunks. This led to a change in the allele frequency within the moth population over time, demonstrating the process of evolution by natural selection in action.
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Which of the following is true about Meiosis II?
a) It results in cell death
b) It is like mitosis but all chromosomes are in tetrads
c) It is just like Meiosis I
d) it is just like mitosis but with 2 cells
Answers
Answer:
D.
Explanation:
IM SURE IM CORRECT BECAUSE I TELL MY MOM IF MY ANSWER IS CORRECT!
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What transport substances to where they need to go
in the cell
Answers
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion
Explanation:
Transport proteins generally perform two types of transport: “facilitated diffusion,” where a transport protein simply creates an opening for a substance to diffuse down its concentration gradient; and “active transport,” where the cell expends energy in order to move a substance against its concentration gradient
is Organic Really Better? Healthy Food or Trendy Scam?
Answers
Answer:
It is better
Explanation:
It tastes better :)
And it has no pesticides
Answer:
♡ hi darling ♡
- Organic is great. Infact, I actually eat organic food for a living. Even the oreos are good, they taste better and it's better for you tbh. It helps you be more healthier but your still enjoying it because it's not like celery all day or something.
have a great day.
✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧
Which of the 3 muscle types is the weakest?
Vascular Smooth Muscle Contraction - FitnessGenes®
Group of answer choices
Cardiac
Skeletal
Smooth
Answers
Answer:
i believe the smooth i could be wrong tho:)
Explanation:
Answer:
Smooth muscle
Explanation:
trust me :)
Depending on the organism, the optimal pH for enolase to catalyze its reaction is between 6.5 and 8.0 . Describe how a pH below or above this range is likely to affect enolase and its catalytic ability.
Answers
Answer:
Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
What are enzymes?Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things.
Enzymes are created by our bodies spontaneously. However, food and manufactured goods both contain enzymes.
The body contains tens of thousands of different enzymes. Every type of enzyme has a single function. For instance, the enzyme sucrase degrades the sugar sucrose. Lactose, a type of sugar included in milk products, is broken down by lactase.
Therefore, Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
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Water loss from a terrestrial insect's surface is minimal due to which of the following structures?
a) chitin & the cuticle
b) tracheae & spiracles
c) a proteinaceous epidermis
d) a long alimentary canal
Answers
Water loss from a terrestrial insect's surface is minimal due to chitin & the cuticle.
Terrestrial insects have an exoskeleton composed of chitin and a waxy cuticle, which forms a waterproof barrier that prevents excessive water loss from their body surface. The cuticle also helps to reduce water loss by acting as a barrier against water vapor diffusion.
In addition to these structures, many insects also have specialized structures such as spiracles and tracheae that help in respiration and limit water loss. However, these structures do not play a significant role in minimizing water loss from the insect's surface.
On the other hand, a proteinaceous epidermis and a long alimentary canal do not have any role in minimizing water loss from an insect's surface.
Therefore, option a is the correct answer.
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