You are presented with the question "_ allow water to penetrate the soil." and the following answer choices: 
- crawfish burrows
 - major threat to health
 - Deposition
 - bending light rays
 - earthworm homes
 - Exfoliation
 - termite burrows
 - Earthworm burrows

Now knowing that earthworm burrows help aerate soil, which is also good for plants and aeration breaks up the soil and allows water to penetrate, choose the best answer.


 

        Earthworm burrows 