Answer:
Because the deep water brought to the surface is often rich in nutrients, coastal upwelling supports the growth of seaweed and plankton. These, in turn, provide food for fish, marine mammals, and birds. Upwelling generates some of the world's most fertile ecosystems.
Answer: B)
Explanation:
It is b) because ”green” is being described at the moment.
Answer 1: A
Answer 2: B
Answer 3: B
Answer 4: C
The answer to this question is true