Fact 1: Rain causes erosion.

Fact 2: Soil Erosion Soil erosion is what happens when soil is washed or blown away.

Given the two facts above, answer the question "what causes soil to be washed or blown away?" with the following options: 
- Roads
 - rivers
 - wind
 - shoveling
 - clouds
 - storms
 - rain
 - combustion


 

       rain  