Efforts to combat desertification... A. Can never stop the growth of the Sahara. B. May or may not be successful. C. Will succeed if the governments back the efforts. D. Have dramatically slowed desert growth

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.

List 3 factors commonly used to select the location of a city

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided