Possible answers: I. Energy. II. support III. fuel IV. Energy V. food VI. destruction VII. pain VIII. body water
Given those answer options, answer the question: Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Humans depend upon the life-support systems provided by the oceans. Given the two facts above, what do coral reefs provide for humans?
A:
II.