You are presented with the question "What causes weathering when interacting with wind?" and the following answer choices: 
- technology
 - soils
 - graptolites
 - loose soil
 - erosion
 - limestone
 - plants
 - apes

Now knowing that rocks interacting with wind over long periods of time causes weathering and limestone is the rock formed by calcite, choose the best answer.


 

      limestone   