Earthworm burrows help aerate soil, which is also good for plants, and aeration quickly changes the chemistry of the soil. Given these facts, what do earthworms do to soil among the following options:
- Destroy soil
 - Damages them
 - Exfoliation
 - Converting waste.
 - competing for resources
 - Compact soil
 - Make soil denser
 - Change the chemistry


 

        Change the chemistry 