You are presented with the question "What do annelids enrich?" and the following answer choices: 
- magma
 - seeds
 - soil
 - Energy
 - food
 - water
 - moss
 - roots

Now knowing that earthworms are important deposit feeders that help form and enrich soil and earthworms Earthworms are in the phylum Annelids, choose the best answer.


 

   soil      