Earthworm burrows help aerate soil, which is also good for plants, and dirt is really misplaced soil. Given these facts, what does an earthworm do that would help plants among the following options:
- reusing materials
 - It helps them survive
 - eat the plant
 - scare away birds
 - reproduce
 - hydrate their cells
 - burrow in the dirt
 - eat all the dirt


 

       burrow in the dirt  