40. Which of the following correctly orders the stages in the destruction of a coral reef?
I. Algae film penetrates the lime.
II. Dead coral skeletons turn white.
III. The skeletons reduce to rubble.
IV. Reef-dwelling fishes abandon the area.
Your Answer is
Correct Answer is H
Explanation
Locate in the last natural paragraph: dead coral skeletons turn white at line 80, followed by algea film penetrate the lime (line 82); then according to the description of lines 83-87, the reef-dwelling fishes abandon the sea, and then the skeletons reduce to rubble, so choose H;