You are presented with the question "in weathering, what is broken down from larger to smaller pieces?" and the following answer choices: 
- sand
 - h2o
 - crust
 - gravel
 - crackers
 - clouds
 - calcite
 - soils

Now knowing that weathering means breaking down rocks from larger whole into smaller pieces by weather and unconsolidated rock is rock such as gravel, choose the best answer.


 

    gravel     