Earthworms irrigate the soil by creating lots of tiny passageways allowing rain to be absorbed into the soil more easily. This promotes growth.
They help the soil by decomposing the decaying plants and animals and making tunnels to let rain in.
Earthworms help the soil by providing nutrients towards the soil and also sucking up all the bacteria that the plants might leave behind.
They help by giving the soil nutrients and when it moves in the soil it helps keep air particles in
The earthworms help the soil by making the soil fertile....
Earthworms help the soil by producing little bacteria to destroy the other organisms in the earths surface.
Earthworms help the soil by sucking up all the nasty bacteria and disgusting things in the ground. Which then leaves the nutrient which helps the soil so much.
They help by aerating the soil.
They help by giving you food