Amount of `CO_(2)` in expired air is aboutA. 0.0004B. 0.0003C. 0.045D. – InterviewSolution

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1.	Amount of `CO_(2)` in expired air is aboutA. 0.0004B. 0.0003C. 0.045D. 0.021
Answer» Correct Answer - C Amount of `CO_(2)` in expired air is 4.5 % . The air we breathe in contains about 0.05% `CO_(2)`. The air we beathe out contains about 4% `CO_(2)`. In other word, exhalled air contais about 100 times the concentration of `CO_(2)` that inhaled air does.

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