Why are carbon and nitrogen cycles important 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.

Question

9 July, 07:47

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Answers (2)

Know the Answer?

Ellie Jensen · Answer 1

The answer is C i took the test.

Booth · Answer 2

C. They provide materials organisms need to build their bodies.