Fact 1: Wind and rain cause erosion.

Fact 2: Erosion is the wearing away of earth or rock.

Given the two facts above, answer the question "Wind can cause?" with the following options: 
- nuclear fusion
 - scattered light
 - the wearing away of rock
 - destruction of energy
 - Electrical energy
 - faster movement
 - forest is destroyed
 - continents to shift


 

   the wearing away of rock      