You are presented with the quiz "What happens when Earthworms ingest sediment and extract food particles?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "earthworms are important deposit feeders that help form and enrich soil" and "deposit feeders ingest sediment and extract food particles". 

So, what's the best answer to the question?


 

        The soil is enriched   