Aportion of land that covers the majority of eastern russia is known as a. the northern european plain b. the eastern highlands c. the ural mountains d. siberia

Why is terracing used in southeast asian agriculture?

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.

How many active volcanos are there in nicaragua