contestada

Breathe in, breathe out, most of the gas that just passed through your mouth is:
Oxygen, Nitrogen, Water Vapor, or CO2?

Respuesta :

The environment we are in is 1.5% filled with CO2 exhaled from our own body and others.But there is more nitrogen than any other gases on earth.So the answer is Nitrogen .
The answer is:  [B]:  "Nitrogen"  (N₂ gas); which is the most prevalent gas in the Earth's atmosphere.
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