Question

Which of the following statements describes the difference between physical and chemical (1 point)

weathering?
Physical weathering affects rocks, while chemical weathering affects only minerals.
Physical weathering is caused by ice, while chemical weathering is caused only by water.
Chemical weathering changes the composition of a rock, while physical weathering does not.
Chemical weathering affects all kinds of rocks, while physical weathering does not.

Answer 1

Answer: Chemical weathering changes the composition of a rock, while physical weathering does not.

Explanation: The definition of a chemical change is a change that cannot be reversed and is caused by a chemical reaction. In this case, a chemical change to a rock would change the composition of the rock while physical changes may change the appearance of the rock, but not the composition.