Answer the following question given this paragraph: 

Weathering changes solid rock into sediments. Sediments are different sizes of rock particles. Boulders are sediments; so is gravel. At the other end, silt and clay are also sediments. Weathering causes rocks at the Earth’s surface to change form. The new minerals that form are stable at the Earth’s surface.


Q: Which process causes rocks at the earth's surface to change form?

 Choices:

- bleaching

- remodeling

- eroding

- weathering

A:
weathering
