You are presented with the question "Rocks interacting with what over time causes creation of soil and sand?" and the following answer choices: 
- sound
 - light
 - wind
 - river
 - breath
 - stream
 - motion
 - force

Now knowing that rocks interacting with wind over long periods of time causes weathering and on Earth, rocks are weathered by wind and water, creating soil and sand, choose the best answer.


 

   wind      