You are presented with the question "Smaller rocks come from the interaction of bedrock with what over long periods of time" and the following answer choices: 
- volcanoes
 - wind
 - sunlight
 - years
 - force
 - soils
 - earth
 - animals

Now knowing that rocks interacting with wind over long periods of time causes weathering and smaller rocks come from the breakage and weathering of bedrock and larger rocks, choose the best answer.


 

  wind       