Multiple Choice
Although they only occupy 0.2% of the ocean floor,coral reefs provide many benefits.Which of the following is not one of these?
A) They provide significant free oxygen.
B) They serve as natural barriers.
C) They protect coastlines from erosion.
D) They provide habitats for one-quarter of all marine organisms.
E) They provide one-tenth of the global fish catch.
Correct Answer:
Verified
Correct Answer:
Verified
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