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The amount of carbon dioxide in inhaled air is 0.04% and the amount is exhaled air is about:
0.04%
0.004%
0.4%
4.4%
The air we breathe in contains about 0.04% carbon dioxide. The air we breathe out contains about 4% carbon dioxide. In other words, exhaled air contains about 100 times the concentration of carbon dioxide that inhaled air does.
By: Deepak Thakur ProfileResourcesReport error
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