Why do you think that, unlike igneous rocks, chemical sedimentary rocks are usually made up of only one mineral?
Answers
Chemical sedimentary rocks are formed through the precipitation of minerals from solution. Unlike igneous rocks, which are formed from the solidification of molten material, chemical sedimentary rocks are not subject to the same intense temperatures and pressures that can cause minerals to melt, recrystallize, and mix together.
As opposed to this, the minerals that make up chemical sedimentary rocks are frequently deposited uniformly, allowing for the production of relatively pure deposits of a single mineral.
This is especially true for minerals that have a lower water solubility and are consequently less prone to combine with other minerals during precipitation.
Chemical sedimentary rocks can also develop in particular conditions where only particular mineral kinds are present, which adds to their relative purity.
It's crucial to understand that not all chemical sedimentary rocks contain a single mineral.
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Related Questions
If there was a dramatic increase in skeletal muscle cell damage and apoptosis, what would you expect to happen to levels of myoglobin and CK in the blood
Answers
If there was a dramatic increase in skeletal muscle cell damage and apoptosis, I would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.
What does high CK-MB mean?Elevated CKMB can be a sign of cardiac (heart muscle) damage or chronic kidney failure. At the onset of acute symptoms, after cardiac peaks, CKMB values are elevated after 3-6 peaks after 12-24 hours between 12-24 hours, values at 24-48-48.
With this information, we can conclude that if there was a dramatic increase in skeletal muscle cell damage and apoptosis, we would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.
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Which of the following is NOT a method that has been used to predict earthquakes?
Answers
Answer:
Watching changes in weather patterns (Answer Choice 3)
Explanation:
Atmospheric weather cannot indicate impending earthquakes, while the processes described in the other answer choices can.
Answer
Watching changes in weather patterns (3)
An acute, often fatal, infectious bacterial disease caused by the introduction of pathogenic spores, which enter the body through a contaminated puncture wound, is tetanus (true or false)
Answers
The statement "An acute, often fatal, infectious bacterial disease caused by the introduction of pathogenic spores, which enter the body through a contaminated puncture wound, is tetanus" is true.
What is tetanus? Tetanus is a bacterial disease that affects the nervous system, and it is often fatal. Clostridium tetani, a type of bacteria, causes tetanus. The spores of this bacterium are widespread in the environment and can exist in dirt, manure, and even saliva from an infected animal.
Tetanus occurs when the bacterium enters the body through a puncture wound or cut, where it produces a toxin that impairs nerve function. The toxin causes symptoms like muscle rigidity, spasms, and seizures, which can be fatal if not treated promptly.
The severity of tetanus symptoms can range from mild to severe, depending on how much of the toxin enters the body and how quickly the infection spreads. It's essential to receive immediate medical attention if you suspect you've been infected with tetanus.
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9. Explain the benefits and
limitations of each
type of scientific investigation.
Answers
The benefits and limitations of each type of scientific investigation are listed below:-
Benefits:-
A descriptive investigation is concerned more about observations related to natural systems which are recorded through a systematic method of data collection. A comparative investigation do not essentially require control variables since it is not carried in a laboratory.An experimental investigation tends to study the 'cause' and 'effect' relationship between two variables through the use of control variables in order to maintain a constant environment.Limitations:-
A descriptive investigation fails to compare the data collected and establish a causal relationship between the variables.A comparative investigation fails to control the variables that are present naturally and might affect the research.An experimental investigation may sometimes fail to explain real-life incidents since they are based on a hypothesis.To learn more about descriptive investigation here
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Who is the criminal on the whodunnit work sheet for science?
Answers
Answer:
The Killer's Identity
The season finale revealed the killer to be Cris all along. She "tanked Sheri, flamed Dontae out, blew Adrianna up, got Don mauled, let Ulysses bite the dust, drained Sasha and Dana, induced Geno's headache, blasted Ronnie, choked Melina and finally silenced Lindsey for good".
Explanation:
pls branliest
in a phylogenetic or evolutionary tree, how is relatedness defined, i.e. what is used to determine relatedness?
Answers
Relatedness in a phylogenetic or evolutionary tree is determined by comparing genetic information among organisms, with greater similarity indicating closer evolutionary relationships.
In a phylogenetic or evolutionary tree, relatedness is determined by examining and comparing various characteristics or traits among different organisms. The most common approach is to analyze their genetic information, specifically DNA or protein sequences. By comparing these sequences, scientists can assess the degree of similarity or dissimilarity between different organisms and infer their evolutionary relationships.
The more closely related two organisms are, the more similar their genetic sequences are expected to be. Genetic markers, such as specific genes or regions of the genome, are often used to compare and quantify the relatedness between different species or populations.
Other types of data can also be considered, such as morphological features, behavioral traits, or ecological relationships. These characteristics can provide additional evidence of relatedness and help in constructing phylogenetic trees.
Overall, relatedness in a phylogenetic or evolutionary tree is determined by evaluating and comparing genetic and other relevant traits among organisms to infer their shared ancestry and evolutionary history.
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HELP ASAP!!
Which of the following processes causes rocks to change from one type of rock to another?
-Weathering and erosion
-Melting and cooling
-Compacting and cementing
-None of these; rocks do not change from one type to another.
-Heat and pressure
Answers
Answer:
weathering and erosion
Explanation:
if i remember it is that because i did that lesson last year but if it is wrong i am so sorry but i believe this is the answer
Answer:
i think it's B.
Explanation:
Hope this helps =)
El grafico muestra la estructura del átomo de
Flúor, su configuración electrónica es 1s2 2s2 2p5
Answers
Answer:
Comprobar explicación.
Explanation:
La pregunta parece estar incompleta. El gráfico descrito no se adjunta a esta pregunta.
Pero, he seguido dibujando cómo se ve la capa del átomo de Flourine con la configuración electrónica 2, 7 y agregué la configuración / distribución spdf de los electrones de Flúor también.
Esto se presenta en la imagen adjunta a esta pregunta.
¡¡¡Espero que esto ayude!!!
All of the following are true regarding solids except for:
A) Molecules are tightly packed in a solid.
B) Molecules vibrate at a slow speed, in a fixed position
C) Molecules move quickly and freely past one another in a solid.
D) A solid has a definite shape and structure,
Answers
Answer:
C
Explanation:
This is because a solid particles are so packed tightly together, they're fixed in their position and can't move past one another, unlike liquids particles.
A wildfire in a forest causes a population of deer to flee to a nearby field. This field is home to a population of rabbits. Which is an effect
of the deer moving to the field?
Answers
Answer:
C
Explanation:
They both eat the same thing which is plants this will either cause one of the species to flee to new land with plants or a fight among them for survival
Answer:
Overabundant deer can spell trouble for people, including frequent car collisions and the spread of zoonotic diseases. But deer can also disrupt wildlife communities -- such as forest songbirds -- by eating away their habitat. In a new study, researchers show that areas in the eastern US with high deer numbers tend to have fewer birds that need forest shrubs.
Explanation: 100% plagiarism free
The city of Green Valley, Arizona, is trying to determine where to locate a new fire station. The fire station is expected to serve four neighborhoods.
Neighborhood X coordinate Y coordinate Number of homes
Birchwood 0.5 3.5 172
Cactus Circle 2 0.5 42
De La Urraca 3 1.5 223
Kingston 3 1 44
a The X* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
b. The Y* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
c. What other factors might come into play when making the final decision?
a. Zoning Considerations
b. Distance from other fire stations
c. Available space
d. All of the above.
Answers
(a) The X* coordinate of weighted center of gravity for new fire station is 1.82. (b) The Y* coordinate of weighted center of gravity for new fire station is 2.06. (c) The factors might come into play when making the final decision is Zoning Considerations, Distance from other fire stations, Available space. Option D is correct.
To determine the location for the new fire station in Green Valley, we need to calculate the weighted center of gravity based on the coordinates and the number of homes in each neighborhood.
The X* coordinate of the weighted center of gravity can be calculated using the formula;
X* = (X₁ × N₁ + X₂ × N₂ + X₃ × N₃ + X₄ × N₄) / (N₁ + N₂ + N + N₄)
where X₁, X₂, X₃, X₄ are the X coordinates of the neighborhoods, and N₁, N₂, N₃, N₄ are the number of homes in each neighborhood.
Using the given data:
X* = (0.5 × 172 + 2 × 42 + 3 × 223 + 3 × 44) / (172 + 42 + 223 + 44)
X* ≈ 1.82
Therefore, the X* coordinate of the weighted center of gravity for the new fire station is approximately 1.82.
The Y* coordinate of the weighted center of gravity can be calculated using the same formula, replacing the X coordinates with Y coordinates:
Y* = (Y₁ × N₁ + Y₂ × N₂ + Y₃ × N₃ + Y₄ × N₄) / (N₁ + N₂ + N₃ + N₄)
Using the given data:
Y* = (3.5 × 172 + 0.5 × 42 + 1.5 × 223 + 1 × 44) / (172 + 42 + 223 + 44)
Y* ≈ 2.06
Therefore, the Y* coordinate of the weighted center of gravity for the new fire station is approximately 2.06.
When making the final decision on the location of the fire station, several other factors might come into play;
Zoning Considerations: The city needs to consider any zoning regulations or restrictions that might limit the potential locations for the fire station.
Distance from other fire stations: The proximity to existing fire stations is an important factor to ensure efficient coverage and response times across the area.
Available space: The availability of suitable land or buildings that meet the requirements for a fire station, such as accessibility, size, and infrastructure, should be considered.
Ultimately, the decision should take into account a combination of factors, including zoning considerations, distance from other fire stations, and available space. This comprehensive approach ensures that the fire station is strategically located to serve the four neighborhoods effectively and efficiently.
Hence, D. is the correct option.
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the pleasure center of the brain is located in the
Answers
The pleasure center of the brain is located in the nucleus accumbens.
The nucleus accumbens is a region located deep within the brain, specifically in the basal ganglia, which is involved in reward and pleasure processing. It is part of the brain's reward pathway and plays a crucial role in mediating the experience of pleasure, motivation, and reinforcement. The nucleus accumbens receives input from various brain regions, including the prefrontal cortex and the hippocampus, and integrates this information to regulate feelings of pleasure and reward.
When an individual engages in pleasurable activities such as eating delicious food or engaging in enjoyable activities, the nucleus accumbens is activated, releasing dopamine, a neurotransmitter associated with reward and pleasure. This activation of the pleasure center reinforces the behavior and motivates the individual to seek out similar pleasurable experiences in the future.
In summary, the nucleus accumbens serves as the pleasure center of the brain, playing a vital role in the experience of pleasure and reward.
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a black chicken and a white chicken are crossed. what is the probability of.
Answers
Answer:
25% that they would have a black chick
Explanation:
50% of the offspring have genotype BW, 25% are BB and 25% are WW. This means that 50% of the offspring are erminette, 25% are black, and 25% are white.
Hope this helps!!
Do polar bears eat penguins?
Answers
Answer:
No
Explanation:
Polar Bears do not eat penguins because polar bears live in the arctic region (north pole) while penguins live in Antartica and in the southern hemisphere. As both polar bears and penguins live poles apart so there is no chance for the polar bears to eat penguins.
list three major biological functions of triacylglycerols
Answers
Triglycerides, cholesterol, and other critical fatty acids—what the medical community refers to as fats that the body cannot produce on its own—store energy, keep us warm, and safeguard our vital organs. They serve as messengers, facilitating the work that proteins do.
What role do triacylglycerols play in biology?Abstract. Due to their high energy density, triacylglycerols (TAGs) are the primary energy storage resource in mammals. Their hydrophobicity and substantially reduced state both play a role in this.
Quiz: What are the main roles of triglycerides in the body?Triglycerides serve a variety of purposes, including the storage of energy, cushioning, thermal insulation, joining of organs, and absorption of some vitamins. Phospholipids play a role in the construction of cell membranes, the breakdown of fats, and the myelin sheaths that surround neurons in the body.
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choose the appropriate answer to complete each sentence about the evolution of microbial cells on earth.
Answers
Microbial cells have undergone significant evolutionary changes on Earth.
How have microbial cells evolved over time?Microbial cells have evolved through various mechanisms and adaptations over billions of years. One key aspect of their evolution is genetic diversity, which arises from mutations and genetic recombination. These variations provide the raw material for natural selection to act upon, allowing certain traits to become more prevalent in a population. Environmental pressures, such as changes in temperature, pH, nutrient availability, and competition, drive the selection of advantageous traits.
Microbes have also developed various metabolic pathways, allowing them to exploit different energy sources and habitats. For example, some bacteria have evolved the ability to metabolize complex organic compounds, while others have become specialized in photosynthesis or chemosynthesis. Horizontal gene transfer, the transfer of genetic material between different organisms, has played a significant role in microbial evolution, enabling the spread of beneficial traits across species.
Understanding the evolution of microbial cells is crucial for studying their ecological roles, their interactions with other organisms, and their impact on global processes such as nutrient cycling and climate regulation.
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56 points for answering these edge questions
Anyone working in clinical laboratory must possess a medical degree (MD).
true or false
Many physicians initially rejected the notion that clinical laboratories could have a positive impact on the practice of medicine because _____.
they didn't reject the notion; in fact doctors universally praised the development of clinical laboratories
they didn't reject the notion; in fact doctors universally praised the development of clinical laboratories
they were taught in medical school to assume complete accountability for their patient's diagnosis and treatment
they were taught in medical school to assume complete accountability for their patient's diagnosis and treatment
they would earn far less money in their practice as a result
they would earn far less money in their practice as a result
they didn't trust new technology
they didn't trust new technology
He was the first recipient of the Nobel Prize in Physics for his discovery of X-rays.
Answers
Answer: False
Explanation: Because you have CNA's, custodians working in hospitals, doctor's offices and they are not required to have a degree.
Answer:
The first recipient of the Nobel Prize in Physics for his discovery of X-rays was Wilhelm Conrad Röntgen. He was awarded the Nobel Prize in 1901 for his groundbreaking work in the field of X-ray technology, which revolutionized the diagnosis and treatment of countless medical conditions. His discovery was so revolutionary that the X-ray is now commonly referred to as the Röntgen ray. Röntgen was a German physicist and professor at the University of Würzburg, and his discovery and subsequent research revolutionized the medical world and greatly improved patient outcomes and safety.
what is a true statement concerning animal taxonomy?
Answers
Animal taxonomy is the scientific classification of animals based on their physical and genetic characteristics. One true statement about animal taxonomy is that it is constantly changing as new species are discovered and genetic information becomes available.
Taxonomists may reclassify organisms based on their evolutionary relationships, morphology, and other features. Traditionally, animal taxonomy has been based on physical characteristics such as body shape, internal anatomy, and behavior.
However, with the advent of genetic sequencing, molecular data is increasingly being used to supplement or even replace traditional classification methods.
For example, DNA sequencing can reveal genetic differences and similarities between species that are not readily apparent from physical characteristics alone. As a result, some taxonomic classifications have been revised based on molecular data, leading to a better understanding of the evolutionary relationships between different animal groups. Nonetheless, taxonomic classification is not always straightforward and may be a subject of debate among experts.
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The female reproductive system in humans differs from the human male reproductive system in that only the female system is responsible for
A.
producing sex hormones.
B.
creating offspring.
C.
producing gametes.
D.
nourishing a developing zygote.
Answers
Answer:
nourishing a developing zygote.
Explanation:
study island
In humans, the female reproductive system differs from the male reproductive system because only it is responsible for: D. nourishing a developing zygote.
What is a zygote?A zygote can be defined as an eukaryotic cell that is typically formed by the fusion of two (2) haploid gametes in living organisms such as humans.
In humans, the female reproductive system is different from the male reproductive system because only the female reproductive system is responsible for nourishing a developing zygote within the uterus.
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What is the phenotypic ratio of BLUE to RED for the flowers in this Punnett square?
88
80
A
4:1
B
1:2:1
С
0:4
D
4:4
Answers
Answer:
D
Explanation:
The phenotypic ratio of blue to red flower is 4:4.
88÷80×4= 4:4
Which of the following is NOT a unique property of water?
A. Ice floats on the surface of lake
B. Water covers most of Earth's surface
C. Water cools very rapidly
D. Water causes evaporative cooling
Answers
Answer:
Water covers most of Earth's surface
Explanation:
I chose Water covers most of Earth's surface because this is a fact, NOT a unique property. A property is a thing the item has.
According to chapter two, how are some of the prisoners used to help the war effort? (farewell to manzanar)
Answers
During times of war, prisoners have been used in various ways to support the war effort including :
Labor Military service How did prisoners contribute to the war effort ?In many cases, prisoners have been used as a source of labor to support the war effort. This can include working in factories, mines, and other industries to produce war materials and supplies. Prisoners may also be used to perform other manual labor, such as building infrastructure or working on farms to produce food for troops.
Some prisoners have been given the opportunity to join the military and fight on behalf of their country. This may be done as a way to earn their freedom or as a way to support the war effort in a more direct way.
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What is a cactus' environmental pressures?
Answers
Explanation:
high temperature and low rainfall this leads to the need for adaptation to conserve water and tolerate extreme heat one of the main environmental pressures for cacti is water
Which species requires the least amount of nutrients in order to grow: Lemna polyrhiza or Lemna gibba
Answers
The species that requires the least amount of nutrients in order to grow is Lemna gibba as compared to Lemna polyrhiza. The species that requires the least amount of nutrients in order to grow is Lemna gibba as compared to Lemna polyrhiza.
Lemna gibba is a free-floating aquatic plant belonging to the duckweed family, that can be found in still or slow-moving freshwater habitats. It is known for its small, oval-shaped leaves that range in size from 3 to 5 mm.Lemna gibba is commonly used as a bioindicator for various metals like lead and copper, due to its ability to easily absorb the heavy metals present in the water. This duckweed species is also known for its high starch content, which makes it a great source of biomass for bioenergy production or as a potential feedstock for other bioproducts.Lemna gibba is adapted to grow in nutrient-poor environments, which means that it requires only a small amount of nutrients in order to grow.
This is due to its unique physiology, which allows it to effectively absorb nutrients from the water and store them in its tissues. As a result, Lemna gibba has been used in various phytoremediation projects to help clean up polluted waterways by removing excess nutrients like nitrogen and phosphorus from the water.This species is also known for its ability to reproduce quickly, allowing it to colonize new areas rapidly and compete with other aquatic plants for resources. This ability has made Lemna gibba a popular choice for research into plant growth and development, as well as in the development of new phytoremediation techniques.
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Food webs model the way _______ move through an ecosystem.
Answers
Food webs model the way energy move through an ecosystem
What is food webFood web is a chain of food chains contained in an ecosystem, It models the way through which energy is transferred through the ecosystem. The food chains represents the path through which energy is transferred.
Hence we can conclude that Food webs model the way energy move through an ecosystem.
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Tornadoes usually occur during which of the following seasons? *
10 points
spring and fall
fall and early winter
spring and early summer
summer and winter
Answers
Answer:
The third one
Explanation:
Tornadoes can form at any time of year, but most occur in the spring and summer months along with thunderstorms.
What do the egg cell and sperm cell combine to form?
1. gamete
2. gonads
3. zygote
4. fertilzation
Answers
Answer:
I believe the answer is C. Zygote.
Explanation:
Hope this helps! ^^
In chili peppers, hot (H) flavor is dominant over mild flavor (h). If a chili grower wanted to grow only hot peppers, which of the crosses below would produce the largest number of hot flavored offspring? (Make a punnett square using the answer choices to find the correct answer.)
Answers
In punnett square, the crossing result will be HH,Hh,HH,Hh which means all are going to be hot chili peppers since H (dominant) is present in all of them.
What do you mean by punnett square?The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach in 1905.
A Punnett Square is a helpful tool that helps to predict the variations and probabilities that can come from cross breeding.
The diagram is used by biologists to determine the probability of an offspring having a particular genotype.
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Salivary amylase is an enzyme that breaks down starch. The optimum or best pH for this reaction is 6.7. Which of the following would not have an effect on a reaction involving this enzyme?
. Amount of substrate
. Enzyme concentration
. Maintaining the pH of the reaction at 6.7.
. Decreased temperature of reaction temperature by 10 degrees C.
Answers
Answer:
:-) maintaining the pH of the reaction at 6.7
Explanation:
hope this helps
A splitting enzyme generated by the salivary glands is called salivary amylase. It assimilates the starch element of the food into small molecules of maltose.
The correct answer is:
Option C. Maintaining the pH of the reaction at 6.7
The explanation for the answer is:
The degree of enzyme activity and its purpose depends on the concentration of the substrate present.Enzyme concentration influences the reaction as increased enzyme amount will result in the reaction to speed up.The enzyme action depends on the temperature as the drop in the temperature will reduce the rate of reaction.Therefore, maintaining the pH of the reaction at 6.7 will not affect the reaction.
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which insect is considered a parasite? group of answer choices mantis dragonflies robber flies fleas
Answers
Fleas are considered parasites as they feed on the blood of their hosts, typically mammals like dogs and cats.
They can cause irritation, itching, and even transmit diseases. While mantises, dragonflies, and robber flies are predatory insects that hunt and feed on other insects, fleas have adapted to live off of their host's blood as their sole source of nutrition.
It is important to control flea populations in households with pets through regular grooming, vacuuming, and using flea preventative treatments to avoid potential health risks.
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