Answer: <u>Intrinsic</u> should be the correct answer.
The answer is either he is using his large muscles or his body heats up but I am not sure which one sorry hope I helped a little
It is important for teens to eat well because they are growing and need energy and they need to stay healthy.
Answer:
The answer is A, Both have a crest and a trough.
Explanation:
Please mark me brainliest.
