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slega [8]
3 years ago
14

Which statements describe global warming? Select two answer choices.

Biology
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

b & d (not e)

Explanation:

global warming occurs naturally and it is likely increased by humans

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Which proteins is used as a chemical defense at body surfaces?
UNO [17]

Answer: Antimicrobial proteins.

Explanation:

Antimicrobial proteins are the type of proteins produced by the keratinocytes on the body surfaces. These proteins acts as the barrier and kills the microorganism which is trying to enter the body.

These are larger proteins containing more than 100 amino acids. They are often lytic in nature.

The cell membrane of the microbes is disrupted by the action of these amino acids or proteins on them.

5 0
3 years ago
A researcher is trying to design an experiment to measure the amount of energy a person uses during different activities. He pro
Tomtit [17]

The right answer is to measure the amount of released carbon dioxide.

The carbon dioxide exhaled by the lungs can reflect the energy consumed by the body since it comes from the degradation of glucose which is the main energy substrate. And this is a better indicator of energy consumption than measuring heart rate because it can be inflected by several factors.


A is false because glucose is not found in the urine, except in the case of diabetes mellitus.

C is false because the consumption of calories does not mean that we will directly use it.

D is wrong because perspiration is independent of energy consumption, this is a way to cool the body after exercise.

7 0
3 years ago
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Oil, natural gas, and coal are considered to be nonrenewable resources. Why are these fuels considered to be nonrenewable?
Mazyrski [523]
These fuels are nonrenewable because they are limited substances which cannot be produced at the same rate at which it is used. Also, they cannot be REused, hence the wording non-REnewable. Hope this answers your question.
6 0
3 years ago
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Identify the difference between theory and a law.
almond37 [142]

Answer:

Theory is not definite, while Law is.

Explanation:

A Theory is an idea or set of ideas that has proven itself many times, but has certain loopholes that prevent absolute certainty.  Meanwhile, a Law is a Theory without loopholes.

3 0
3 years ago
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What part of the cell is mostly water, why is that important?
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I believe it is the blood cell...

5 0
4 years ago
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