Which of the following statements about weathering is true?
a. Physical and chemical are the two types of weathering.
b. Weathering occurs when rocks are subjected to the movement of wind or water.
Humans are the only cause of weathering.
d. Movement is required for weathering to take place.

The answer is B) Weathering occurs when rocks are subjected to the movement of wind and/ or water.

Explanation:
A) Cannot be A) because there’s actually 5 different types of weathering. Physical, chemical and biological.

Cannot be C) because weathering is caused by nature.

Cannot be D) because that would be Erosion.

C- a hypothesis or d- an observation