OpenStudy (anonymous):

GET A MEDAL! What is the importance of the carbon and nitrogen cycles to ecosystems? A. They supply the energy needed for living processes. B. They are needed to release the energy stored in food. C. They provide materials organisms need to build their bodies. D. They ensure that matter only moves within a nonliving environment.

3 years ago
OpenStudy (anonymous):

Nevermind, I know the answer.

3 years ago
Similar Questions: