What happens when there is a temperature difference between two objects? one object will always have more heat than the other object. both objects will gain more and more heat. the temperature of both objects increases. heat is transferred from one object to the other.

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.

He resistance of a liquid to flowing is called

Explain how earths tilt and revolution around the sun affects weather and climate