When earthworms add their waste to the soil and then die and decay in the soil, they are contributing to the formation of

A. silt.
B. clay.
C. litter.
D. humus.

9 answers

Do you know the meaning of each of your answer choices?

What do you think the answer is?
It sure does help thank you guys
no problem
Tu madre
am i the only 1 confused ;)
humus
THE ANSWER IS HUMUS
clay
humus