Where can you see lines of latitude and longitude? select one: a. on maps only b. at the equator and the north and south poles c. at the bottom of the ocean

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.

What geologic process is related to caldera formation?

How does the use of fertilizers impact the environment?