You are presented with the question "What does water easily flow through?" and the following answer choices: 
- calcite
 - streams
 - gourdin
 - Sediment
 - cactuses
 - watershed
 - streams.
 - crust

Now knowing that if soil is permeable then water easily flows through that soil and gourdin soils have slow permeability, choose the best answer.


 

   gourdin      