Question

1. choose the best answer.

the breaking down of rocks into small pieces or changing them into a new substance is
deposition
superposition
erosion
weathering

Explanation:

Weathering is the process of breaking down rocks into smaller pieces or changing them into a new substance. Erosion is the movement of weathered materials. Deposition is the laying down of eroded materials. Superposition is a principle in geology about the order of rock layers.

Answer:

weathering