What type of system represents the cycling of matter on the earth? A. Open System B. Closed System C. Mixed System D. None of these answers are correct.

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asked Sep 1, 2018 86.9k views

4 votes

What type of system represents the cycling of matter on the earth?

A. Open System
B. Closed System
C. Mixed System
D. None of these answers are correct.

Biology
high-school

Nonouco asked

by Nonouco

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1 Answer

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I think A but I'm not totally sure!! Good luck.

Melissa Stewart answered Sep 8, 2018

by Melissa Stewart

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