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Paraphin [41]
3 years ago
13

Why do concentration gradients exist?

Biology
1 answer:
Lostsunrise [7]3 years ago
7 0

B. To contrast between the high and low concentration of molecules.

for example a solution with a higher solute concentration than the inside of the cell is called hypertonic

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_____ is the study of how organisms interact with the living and nonliving parts of their environment.
Eduardwww [97]

Answer:

c. Ecosystem science

Explanation:

<em>Sustainability is incorrect because it means the existence of resources for a long term.</em>

<em>Environmental science is incorrect because it is the branch of science that studies the processes and interactions that affect the environment.</em>

<em>Biodiversity science is incorrect because it is the study of various species that  occupy a particular area.</em>

The correct option is c. Ecosystem science is the study of community of living organisms, how they interact with themselves and with non-living components of the community.

3 0
3 years ago
HELP PLEASE , I REALLY NEED IT
ira [324]

Answer:

A)

phase is a unique form of matter in which it can exist

4 0
3 years ago
Why can expiration be a passive process
densk [106]
<h2>Expiration is typically a passive process that happens from the relaxation of the diaphragm muscle (that contracted during inspiration). The primary reason that expiration is passive is due to the elastic recoil of the lungs. Exhalation begins when inhalation ends. </h2>

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Hope this helps!

8 0
3 years ago
Iodine directly helps which of the following glands to function properly?
masya89 [10]

Answer:

The correct answer is C. Iodine directly helps the thyroid gland to function properly.

Explanation:

Iodine is essential for our thyroid hormones to function properly, and in turn, our body.

Thyroid hormones have vital functions such as regulating energy metabolism and nutrients such as proteins, carbohydrates and fats. They also affect tissue growth, especially the nervous; They also participate in the regulation of body temperature.

That is why the adequate supply of iodine contributes to the normal functioning of the thyroid, but if it is excessive it can cause health problems such as hyperthyroidism; and if its contribution is too low, it can cause hypothyroidism or even irreversible consequences if this deficit is severe or occurs, for example, in pregnancy, lactation or first year of life.

4 0
4 years ago
Question 2 of 10
Irina-Kira [14]

Explanation:

The correct answer is the nervous system. It is because the CNS or the nervous system is the one responsible for sending or transmitting signals from the brain throughout the body in order for it to function, this also involves of having to communicate, process and store memory in an individual.

5 0
3 years ago
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