Fact 1: Earthworms are important deposit feeders that help form and enrich soil.

Fact 2: Earthworms Earthworms are in the phylum Annelids.

Given the two facts above, answer the question "What do annelids enrich?" with the following options: 
- magma
 - seeds
 - soil
 - Energy
 - food
 - water
 - moss
 - roots


 

   soil      