Question

What is a primary role of decomposers in an ecosystem?

Select one:
O a. They eliminate matter by taking nitrogen from the ecosystem.
O b. They eliminate matter by taking phosphorus from the ecosystem.
O c. They cycle matter by returning carbon and other matter to the ecosystem.
O d. They cycle matter by returning oxygen and other matter to the ecosystem.

Answer 1

c. They cycle matter by returning carbon and other matter to the ecosystem.

Answer 2

c

Step-by-step explanation:

they use oxygen in their breakdown process and at the end of the breakdown they return nutrients like carbon dioxide and nitrogen back to the ecosystem.