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

Fact 2: Deposit feeders ingest sediment and extract food particles.

Given the two facts above, answer the question "Earthworms ingest sediment and extract what from soil?" with the following options: 
- Organic compounds
 - harmful substances
 - Energy.
 - food ingredients
 - h2o
 - bioaerosols
 - food particles
 - carbon


 

       food particles  