Why are coral reefs called “the rainforests of the sea”?

A. Because they are home to a wide variety of sea life.
B. Because they can protect our coasts from storms.
C. Because they might supply natural medicines.
D. Because they look like rainforests.
A. Because they are home to a wide variety of sea life.
B. Because they can protect our coasts from storms.
C. Because they might supply natural medicines.
D. Because they look like rainforests.

【答案】