Question

The Sun unevenly heats the minerals in a rock, causing the rock to break. This is an example of _____. a) chemical weathering B) biological weathering C) physical weathering D) erosion

Answer 1

The answer would be C physical weathering because heat and the breaking of the rock can be the result of physical weathering, and the other answers would not make sense.
Biological weathering would be the breaking down of the object due to a form of life (incorrect answer),
erosion is the carrying away of something (incorrect answer),
and chemical weathering would be changing the identity of the substance(incorrect answer).