Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather.

Fact 2: Erosion begins with the weathering, or breaking down, of rocks and soil.

Given the two facts above, answer the question "Erosion breaks rocks down from larger parts into what?" with the following options: 
- river
 - ground
 - soil
 - small
 - dirt
 - tiny
 - crust
 - sand


 

   soil      