You are presented with the question "A habitat for several rare plant species is formed by the wind transporting and depositing what?" and the following answer choices: 
- dirt
 - soils
 - coal
 - peat
 - rocks
 - crust
 - sand
 - earth

Now knowing that sand dunes are formed by the wind transporting and depositing sand and sand dunes provide a habitat for several rare plant species, choose the best answer.


 

       sand  