A) 0.04%
B) 0.03%
C) 4.5%
D) 21%
Correct Answer: C
Solution :
Amount of \[C{{O}_{2}}\]in expired air is 4.4%. The air we breathe in contain about 0.04% \[C{{O}_{2}}\]. The air we breathe out contains about 4%\[C{{O}_{2}}\]. In other words, exhaled air contains about 100 times the concentration of\[C{{O}_{2}}\] that inhaled air does.You need to login to perform this action.
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