Which of the following is true of the piedmont plateau? (multiple possible answers) it is a mountainous area it is a wide, flat area it has a rocky subsurface waterfalls form at the downriver edge it covers the coast of florida and georgia

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.