Earthworms are important deposit feeders that help form and enrich soil.
Tulips perform best in a sandy, organically enriched soil.
Earthworms are important deposit feeders that help form and add organic material to soil.
Earthworms help form and add what to soil

A: Sediment
B: organic material
C: Converting waste.
D: bacteria
E: heat
F: Chemical energy
G: grass
H: acidity