What is the best description of weathering? a. breakdown of rocks through mechanical or chemical processes. b. when rocks layers from horizontally. c. building up earth's surface through deposition. d. processes that make it difficult to determine the age of rocks.

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.