Question

approximately how much oxygen does the air contain that we enhale?​

Answer 1

Answer:

haled air is by volume 78% nitrogen, 20.95% oxygen and small amounts of other gases including argon, carbon dioxide, neon, helium, and hydrogen. The gas exhaled is 4% to 5% by volume of carbon dioxide, about a 100 fold increase over the inhaled amount.

Explanation:

Answer 2

Answer:

Oxygen present in the atmosphere= 21 percent

Oxygen inhale = approx 21

Exhale = 16 percent

Explanation:

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