Earthworms add their wastes to the soil and then die and decay in the soil. Which component of the soil are they adding to? litter

humus

silt

clay

Humus

Explanation:

The importance of earthworms for soil lies primarily in their effect on the decomposition of primary organic matter and the formation of humus. ... Earthworms are involved in the transformation of complex organic compounds into simple forms that can be used by plants.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.