Яку корисну копалину, що утворюється на болотах, використовують як добавку до грунту, щоб підвищити його
родючість?

What conclusión can be drawn about the middle east

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

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.