In caves just below Earth’s ground surface in continental crust, the temperature tends to be constant ~15 C (~59 F).

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 would have happened to portugal’s trade if they had not found a way to sail around the tip of africa

Explain how the movement of tectonic plates causes the development of different landforms and naturak disasters