Earthworms are important deposit feeders that help form and enrich soil, and deposit feeders ingest sediment and then extract the food. Given these facts, what do earthworms ingest in order to form and enrich soil among the following options:
- segmented
 - vegetation
 - sediment
 - bacteria
 - Chlorophyll
 - sandworm
 - crawling
 - dirt


 

   sediment      