Help pls

Which statement best describes genetic material?

Name 5 inland waterways of australia

Which country is the smallest island of the greater antilles

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.