in which air we breath
2Tina:
oxygen
the air around us consists of gases like nitrogen oxygen and carbon di oxide. we cannot say that the air we breathe is only oxygen but as our body needs oxygen rich blood that is hemoglobin... Hence.. indirectly we can say tha we breath oxygen
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We breath in fresh air or oxygen o2
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FRESH AIR AND THE AIR WHICH IS PRESENT OF CO2 AND OXYGEN
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