You are presented with the question "Wind can cause?" and the following answer choices: 
- nuclear fusion
 - scattered light
 - the wearing away of rock
 - destruction of energy
 - Electrical energy
 - faster movement
 - forest is destroyed
 - continents to shift

Now knowing that wind and rain cause erosion and erosion is the wearing away of earth or rock, choose the best answer.


 

   the wearing away of rock      