The percentage of oxygen in inhaled air is ab | vedclass

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Question

(A) Inhaled air is the atmospheric air that we breathe in. Atmospheric air contains approximately $21 \%$ oxygen,$78-79 \%$ nitrogen,and $0.03 \%$ car

Vedclass · Accepted Answer

$21$

Vedclass · Answer

(A) Inhaled air is the atmospheric air that we breathe in. Atmospheric air contains approximately $21 \%$ oxygen,$78-79 \%$ nitrogen,and $0.03 \%$ carbon dioxide.

The percentage of oxygen in inhaled air is about (in $\%$)

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