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Our atmosphere is composed of several gases. The name of the gas we breathe, O2, is A) oxygen squared B) monoxide. C) oxide. D) diatomic oxygen.
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Our atmosphere is composed of several gases. The name of the gas we breathe, O2, is A) oxygen squared B) monoxide. C) oxide. D) diatomic oxygen.

User Mohammad Ersan
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A. Oxygen Is the most abundant
User Pelos
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