What will happen when the stars go out

Acounterculture is composed of a group of people who the dominant culture.

Plants can have a positive and negative effect on the rate of weathering

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.