Exercise intensity refers to how much energy is expended when exercising. Perceived intensity varies with each person. It has been found that intensity has an effect on what fuel the body uses and what kind of adaptations the body makes after exercise.
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
The correct answer to the question is:
c. anorexia nervosa
<span>The symptoms stated above are evident in people who
are anorexic. They tend to suffer from factors such as <span>depression, peer and family pressure,
substance abuse, or a family history of weight problems.</span></span>
Answer:
C. Puts braces on teeth
Explanation:
It is something they are only able to do.
