3. Burning fossil fuels results in which of the following?
O A. deforestation
O B. global climate change
O c. pollution of water
Answers
Answer:
C . pollution of water
Explanation:
Related Questions
why does the heart automatically adjust the flow of blood to match activity levels? a. extreme activity damages blood cells and the body needs replacements. b. the heart requires more oxygen when exercising. c. it reduces the level of oxygen in the blood. d. organs and muscles require mo
Answers
Because stressed organs and muscles need more blood, the heart automatically modifies the blood flow.
Blood flow to correspond with levels of activity.The effector organs of movement, the muscles, receive a proportionately greater volume of blood ejected by the heart when the organism is required to produce energy.
It makes sense that the heart would have to work harder and receive more blood.
With this knowledge, we can draw the conclusion that the heart pumps more blood to meet the organs' needs. The main organ responsible for moving blood throughout the body is the heart. By consuming more oxygen, the heart automatically modifies blood flow to correspond to activity levels.
When there is enough oxygen in the air, the heart works properly. The body needs more energy during a period of activity or exercise to meet the demands of the activity. In order to increase blood flow and meet the oxygen demand, the heart adjusts by absorbing more oxygen.
The heart distributes the proper amount of blood to the body's various organs so that no physiological issues arise.
It makes sense that the heart would have to work harder and receive more blood.
With this knowledge, we can draw the conclusion that the heart pumps more blood to meet the organs' needs.
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8.A patient receiving electroconvulsive therapy most likely has which of the following conditions?
(1 Point)
A.mild depression
B.acute mania
C.migraines
D.sleeplessness
Answers
If an air mass is sinking, it must be
A. cold and less dense
B. warm and more dense
C. cold and more dense
D. warm and less dense
Answers
Answer:
The awnser to your question is C.
Explanation:
The colder matter is the atoms get closer therefore making the matter more dense. A. is half correct but if the matter is cold it wouldn't be more dense because when something is less dense it goes above whatever is around it. Take for example water and oil. They seperate into different layers due to density. Hope this helps. :)
The airmass is a large homogenous mass of air over a region that could be for many days.
The volume of air is defined by the temperature and water vapor content. Airmass may spread from hundreds to miles and are classified according to latitude and altitude. There are 4 types of air mass artic, tropical equatorial, and polar. The airmass that is light is warm and has a low pressure always lifts upwards. The cold and cool airmass always settles as it's dense and heavy. Hence the option C is correct.Learn more about the air mass is sinking, it must be.
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In Amish populations, we see a much higher amount of a specific type of dwarfism compared to the rest of the human population. Which term is best applies to this situation?
Both of these
Genetic Drift
Founder Effect
None of these
Answers
Answer: Both of these
Explanation: trust me
What is Bronfenbrennerâs Ecological Systems Theory?
Answers
One of the most widely accepted theories explaining how social environments affect human development is Bronfenbrenner's ecological systems theory.
According to this theory, your environment as a child has an impact on all aspects of your life. Five environmental systems interact with one another and have an impact on a child's development, in accordance with Bronfenbrenner's theory. The five systems are the macrosystem, exosystem, microsystem, and chronosystem. The components of Urie Bronfenbrenner's ecological theory create a framework for studying the many connections between the developing child and the environment, mother and father relationships, community settings, cultural influences, and financial factors, among other things.
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Name the following.
Numerous identical molecules were produced in a laboratory by copying individual DNA molecule.
Answers
Answer:
I believe this happens when you clone DNA in a lab.
Explanation:
Hope this helps!
What is the process in the core of the Sun, repeated over and over, that provides
energy to Earth?
Answers
The process in the core of the Sun, repeated over and over, that provides energy to Earth is referred to as nuclear fusion.
What is Nuclear fusion?This is referred to as the reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.
It is usually accompanied with the release of a large amount of energy and it takes place in the core of the sun in which hydrogen nuclei fuse to form helium thereby making it the correct choice.
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WATER Lesson 1
Challenge 1: Write your answers below:
What is an aspect of Kate’s work that interests you?
How did Kate take a big problem, like water waste in irrigation, and focus on one solution?
Answers
Answer:
1. Her Royal Highness's passion for sport, nature and the outdoors stems
2.Education/Awareness
In a _____ mutation, the change occurs during the dna replication that precedes meiosis.
Answers
In a germline mutation, the change occurs during the dna replication that precedes meiosis.
A gene change in a body's reproductive cell (egg or sperm) that becomes integrated into the DNA of every cell in the body of the offspring. Germline mutations are passed on from parents to offspring. Germline mutations are the cause of many diseases like, cystic fibrosis and cancer (eg, breast and ovarian cancer, melanoma). Cystic fibrosis is a hereditary genetic disorder that results in a thick, sticky buildup of mucus in the lungs, pancreas and other organs.
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if product g inhibits enzyme 1, what type of regulation is in effect?
Answers
If product g inhibits enzyme 1, then negative feedback regulation is in effect.
Negative feedback is a type of regulatory mechanism that works to slow down or inhibit a process when a certain threshold or set point has been reached. In this case, product g is likely the end product of a metabolic pathway that involves the activity of enzyme 1. When there is an excess of product g, it acts as a negative feedback signal that tells enzyme 1 to slow down or stop its activity. This helps to prevent the overproduction of product g and maintain homeostasis in the system.
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Please answer the question which I attached to this fileQuestion 6
Answers
The relationship between individuals II-5 and II-6 is that they are a couple that has two children. This can be assumed because there is a horizontal line that bonds them from the side, and a vertical line goes down their union to part sideways into two individuals (III-4 and III-5).
Please help! i'm stuck on this
Grassland ecosystems in Texas have evolved to depend on periodic fires to return nutrients to the soil and encourage plant reproduction. Humans have prevented fires in many of these grassland areas, resulting in plant and animal communities with very little diversity. Wildlife biologists often recommend purposefully starting fires called prescribed burns, which are monitored and controlled, in grassland ecosystems every 3 to 4 years. These biologists observe greater diversity in plant and animal life in the years following a prescribed burn.
What natural process are the biologists attempting to imitate?
Population bottleneck
Succession
Biomagnification
Species extinction
Answers
Answer:
succession
Explanation: this is a hard one but you have to use process of elimination
Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground,
modern koalas spend most of their time in eucalyptus trees. This is possible because their hands and feet have
strong claws and opposable digits.
What other adaptation could have helped koalas as they evolved from land dwellers to tree dwellers?
Answers
Answer:
Fur color that closely matches the eucalyptus bark color
Explanation:
In terms of evolving from land dwellers to tree dwellers, the number of offspring does not matter. Although the ability to run faster is a good evolution for escaping predators, it does not help the koalas evolve to be better tree dwellers (how would you run using only the trees?). Communicating with their peers would be convenient for survival, but it does not help koalas become better tree dwellers. What does help koalas survive better by traveling through the trees is camouflaging with the bark of the tree to hide from predators.
Which of the following is true about the independent variable?
It is observing the world around you
It is what happens as a result of your experiment
It is the single factor that a scientist manipulates within an experiment
It is an educated guess regarding the question
Answers
According to the research, the correct option is C. The independent variable is the single factor that a scientist manipulates within an experiment.
What is the independent variable?It is the variable whose main characteristic is that they have the capacity to adopt different values.
In this sense, it represents that which varies because it is referred to as a manipulated variable because it is assigned values that are arbitrary.
Therefore, we can conclude that according to the research, the correct option is C. Independent variables acquire values that determine the value of the first.
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What is the one part of the food chain that no one likes to talk about?
Answers
Answer:
Plants or decomposers.
2. Which gland is in the middle of the forehead and regulates the growth of bones?
pituitary gland
pineal gland
parathyroid gland
thyroid gland
Answers
Answer: pituitary gland
Explanation: It produces different types of specialized hormones, including growth hormones. The roles of growth hormones include influencing our height and helping build our bones and muscles.
Answer: 1 or A. - pituitary gland
Explanation: The pituitary gland is a structure in our brain that produces different types of specialised hormones, including growth hormone (also referred to as human growth hormone or HGH).
In multicellular organisms, cells working together and performing similar functions are called...
Question 9 options:
organ systems.
organisms
tissues
organs
Answers
Answer:
tissues
Explanation:
Which of the following cells should have the most mitochondria?
O skin cells
O muscle cells
O blood cells
O nerve cells
Answers
The fact that both charophytes and green plants contain chlorophylls a and b demonstrates which of the following?
A) These derived traits show that green plants evolved from ancient charophytes.
B) These shared traits show that green plants evolved from present-day charophytes.
C) The common ancestor of these two groups contained chlorophylls a and b.
D) These two groups are not closely related.
Answers
The fact that both charophytes and green plants contain chlorophylls a and b demonstrates option C: The common ancestor of these two groups contained chlorophylls a and b.
This shared trait indicates a close evolutionary relationship between the two groups, as they both inherited chlorophylls a and b from their common ancestor. This similarity does not imply that green plants evolved directly from present-day charophytes (option B), as both groups have continued to evolve independently since their divergence from the common ancestor.
Furthermore, the presence of chlorophylls a and b does not demonstrate that green plants evolved from ancient charophytes (option A), as it only shows that the two groups share a common origin. The shared trait of chlorophylls a and b does not support the notion that these two groups are not closely related (option D), as the presence of these pigments suggests a shared evolutionary history.
Overall, the presence of chlorophylls a and b in both charophytes and green plants indicates that they descended from a common ancestor that also possessed these chlorophylls. Hence, C is the correct option.
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What is the difference between active and passive transport across a membrane?
A
Both active and passive transport move substances down their concentration gradients.
B
Active transport is ATP dependent. Passive transport does not require energy.
C
Active transport requires cell to cell communication. Passive transport does not require cell communication.
D
Active transport can be performed without transport proteins while passive transport cannot.
Answers
Active transport is ATP dependent. Passive transport does not require energy.
Cells require some molecules to be transported across the membrane. Transported molecules can be a waste material or it can be a metabolic product. Membrane transport are of two types active and passive transport. Active transport uses energy from hydrolysis of ATP to transport molecules across membranes. Active transport moves molecules from regions of low concentration to regions of high concentration. Special membrane proteins perform active transport for example sodium potassium pumps. Passive transport does not require energy to transport molecules since it moves molecules from regions of high concentration to regions of low concentration. Passive transport is of two types: simple diffusion and facilitated diffusion.
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what type of reproductive isolation may have been important in galapagos finch speciation? select all that apply. responses founder effect founder effect geographic isolation geographic isolation temporal isolation temporal isolation behavioral isolation behavioral isolation
Answers
The discovery of a new population, the geographic isolation of the new population, changes in the gene pool of the new population, behavioral isolation, and ecological rival could have caused species differentiation in Galapagos finches.
Geographical isolation, behavioral isolation, and temporal isolation are the best options. Although it is not a form of reproductive isolation, the founder effect is a process that can result in genetic differences in smaller populations that become isolated from a larger population.
It has been demonstrated that geographical isolation encourages divergent evolution that results in distinct phenotypes.
The existence of reproductive isolation within nominal morphological species reveals the existence of cryptic species, and the interfertility of morphologically distinct populations is frequently discovered.
It can be particularly challenging to predict or explain these differences because they do not represent an inferred history of shared ancestry, which indicates that environmental factors influence the type of ecological divergence.
As a result, geographic and behavioral forms of reproductive isolation may have played a significant role in the speciation of Galapagos finches.
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In the study of the medium ground finch, Geospiza fortis, the significant regression of mean offspring beak depth on mid-parent beak depth supports which of Darwin's four postulates?
A) individuals within species are variable
B) some of these variations are passed on to offspring
C) in every generation more offspring are produced than can survive
D) the survival and reproduction of individuals are not random
E) "A" and "B"
Answers
The significant regression of mean offspring beak depth on mid-parent beak depth in the study of the medium ground finch, Geospiza fortis, supports Darwin's postulates "A" and "B".(E)
A) Individuals within species are variable: This is demonstrated by the range of beak depths observed in the medium ground finch population.
B) Some of these variations are passed on to offspring: The regression analysis shows a relationship between mid-parent beak depth and offspring beak depth, indicating that beak depth is a heritable trait. This supports the idea that variations in traits, such as beak depth, are passed down from one generation to the next.(E)
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A horse began running due east and covered 25km in 4.0 he what is the average velocity?
Answers
The average velocity of the horse is 6.25 km/h in the east direction. To find the average velocity, we divide the total displacement by the total time taken.
To find the average velocity, we divide the total displacement by the total time taken.
Given:
Distance covered (displacement) = 25 km (east)
Time taken = 4.0 hours
Average velocity = Displacement / Time
Since the horse ran due east, the displacement is equal to the distance covered (25 km) in the positive direction.
Average velocity = 25 km / 4.0 hours
Average velocity = 6.25 km/h (east)
Therefore, the average velocity of the horse is 6.25 km/h in the east direction.
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the lobar bronchus in each lung branches into _____ bronchi that ventilate a functionally independent region of the lung tissue.
Answers
The lobar bronchus in each lung branches into secondary bronchi that ventilate a functionally independent region of the lung tissue, also known as a pulmonary lobe.
The lobar bronchus in each lung branches into segmental bronchi that ventilate a functionally independent region of the lung tissue. The segmental bronchi, also known as tertiary bronchi, divide further into smaller bronchioles that eventually lead to the alveoli, the site of gas exchange in the lungs. The segmental bronchi are named based on the specific lung segments they serve, and each segment has its own arterial and venous blood supply, allowing for the independent functioning of different regions of the lung.
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How did Alexander Fleming's research solve a societal problem?
• He developed ways to treat inherited diseases.
• He advocated for
regular hand washing to kill germs.
• He discovered a new
type of medicine that could treat infections.
• He discovered the cause of mad cow disease,
an emerging disease.
Answers
He discovered a new type of medicine that could treat infections.
He discovered the 1st antibiotic (penicillin).
I WILL GIVE BRAINLIEST!!!
The pedigree below tracks Duchenne Muscular Dystrophy (DMD) through several generations. DMD is an X-linked recessive trait.
If individuals I-1 and I-2 had another son, what is the chance that he would have DMD?
Choose 1 answer:
(choice A)
A
0%
(choice B)
B
25%
(choice C)
C
50%
(choice D)
D
100%
Answers
Answer: CORRECT (SELECTED)
100%
Explanation:
Because individual I-2 is affected, she can only pass on a recessive DMD allele to her sons. This means that all of her sons will have DMD.
In a molecule of double-stranded DNA, the amount of Cytosine present is always equal to the amount of ______.
a. Thymine
b. Uracil
c. Cytosine
d. Guanine
Answers
Answer:
D
Explanation:
Which structure of the lymphatic system functions as the site of development of T lymphocytes during childhood and the preteen years, but is replaced by fat as an individual grows older?
thymus
bone marrow
spleen
adenoids
Answers
Answer: thymus
Explanation: T cells adapt in the immune system just like the thymus
Answer:
Thymus
Explanation:
I don't actually know so I'm sorry if it is wrong
Have a great day!!!!!
explain how mutation is a random process, but natural selection is not random.
Answers
Mutation is a random process because you do not know what genes you will get from your parents, but natural selection is not because it depends on the environment you live in.
What is the justification?Mutation is a random process because it occurs spontaneously and is not influenced by environmental factors. Mutations are changes in the genetic code that can arise due to errors during DNA replication or exposure to mutagens such as radiation or certain chemicals. These mutations can be beneficial, harmful, or neutral, and they can occur in any part of the genome.
On the other hand, natural selection is not a random process. Natural selection is the process by which certain traits become more or less common in a population over time due to their effects on an organism's ability to survive and reproduce in its environment. Natural selection acts on the variation that arises from mutations, but it is not random because it is based on the differential survival and reproduction of individuals with certain traits.
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g what are endospores how do eukaryotic cells differ frm prokaryotic what are the 3 domains of life how do the cell walls of bacteria differ from archaea
Answers
Explanation:
1.Prokaryotes were the first form of life. Scientists believe that eukaryotes evolved from prokaryotes around 2.7 billion years ago. The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells
2.Bacteria, Archaea, and Eukarya
3.Archaea: They are single-celled organisms that comprise cells with distinct properties that make them unique from the other two domains of life, namely Eukaryota and Bacteria. They can thrive in extreme environmental conditions, such as hot springs, salt lakes, etc.
Bacteria:They are single-celled organisms that usually live in diverse environments. Bacterial DNA called the nucleoid are a twisted thread-like mass. They even possess a cellular structure that executes a range of circular functions that involves the transfer of energy to the transportation of proteins. Bacteria consist of plasmids which are circular pieces of extra-chromosomal DNA.