You are presented with the question "What is one way sediment can form?" and the following answer choices: 
- It expands
 - rainfall
 - calcite
 - bottom of feet
 - Water expanding
 - Exfoliation
 - chemical changes
 - swamp vegetation

Now knowing that sediment is formed by weathering and exfoliation is a specific type of mechanical weathering that occurs in granite, choose the best answer.


 

      Exfoliation   