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Chemistry, 28.02.2021 14:00 PluggedIn

CER- If the air we breathe is majority nitrogen, why do humans breathe oxygen? It seems like we are using the second most abundant gas. Seems very inefficient if you ask me. In terms of chemistry how does oxygen help
our body more then nitrogen?

CER- If the air we breathe is majority nitrogen, why do humans breathe oxygen? It seems like we are

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