I would go with c because its tells you right in there that the ecosystem help who lives around that area.
Answer:
A human heart is roughly the size of a large fist.
Explanation:
but the size varies according to an individual's age, health and size. The heart weighs 7 to 15 ounces.
Answer: a specific gender
Explanation:
I believe <span>Protease enzymes are what are used to break proteins into amino acids.</span>
