What do gps devices do? a. create special purpose maps b. display a specific type of information, such as rainfall c. locate exact coordinates on earth d. describe a location based on a nearby landmark

Which of the following is evidence to the past existence of glaciers?

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.

Since 1980, which three countries have either attacked or been attacked by iraq? a. iran, turkey, united states b. iran, israel, jordan c. iran, kuwait, united states d. iran, saudi arabia, egypt