How much of the world's energy comes from renewable resources? A: less than half B:More than half C:All D:None

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.

The earth rotates on its axis and revolves around the sun every

How many years is a term in the senate