Which of earth’s spheres absorbs the majority of the sun’s heat? question 2 options: the atmosphere the hydrosphere the crysophere the geosphere

Overall cooling of earth's climate causes

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

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.