Answer:
the upper ( warmer)
thermocline
deep( cold)
Explanation:
thermocline is not cold nor hot its just between
Answer:
D. Ability to use food for energy
Explanation:
Answer:
Transportation of substances in cells, where they travel against the concentration gradient. However, it requires ATP to do so.
Explanation:
I think the correct answer is C. Hope this helps.
Africa, Australia, etc because they are the oldest ones.