You are presented with the question "What can be filled with precipitation that falls on land and soaks into the ground?" and the following answer choices: 
- fields
 - Roads
 - rain
 - wells
 - nektar
 - porous
 - solutes
 - river

Now knowing that some precipitation that falls on land may soak into the ground, becoming groundwater and wells are usually used as a source for groundwater, choose the best answer.


 

    wells     