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Chemistry, 30.03.2020 02:24 drashanhparekh123
A tree uses gas A to produce gas B. An animal uses gas B to produce gas A. What is gas B in this cycle?
A. oxygen
B. nitrogen
C. carbon dioxide
D. carbon monoxide
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A tree uses gas A to produce gas B. An animal uses gas B to produce gas A. What is gas B in this cyc...
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