Question

What's erosion?

A. The breakdown of rock into smaller pieces
B. The removal of weathered products from rock
C. A change in rock resulting from exposure to water
D. A chemical change in rock that weakens it

Answer 1

A is weathering B doesnt make much sense to me C if too much water is exposed into soil it would most likely become clay and D a rock is a mineral not a chemical substance, from this comment decide what sounds right

Answer 2

I could be wrong but B is what I think. Erosion acts upon process on the surface like water flow and wind, it removes soil, rock or dissolved materials.