You are presented with the question "What is formed by erosion processing large rocks?" and the following answer choices: 
- cracks
 - crust
 - Newton
 - roots
 - pan
 - soil
 - potash
 - biome

Now knowing that soil is formed by weathering and over time, the slow processes of weathering and erosion can turn large rocks into sand, choose the best answer.


 

      soil   