APFIVE Carbon Monoxide as an Indoor Pollutant
Which of the following pieces of evidence best supports the conclusion that carbon monoxide is a significant indoor air pollutant?
A
It easily combines with hemoglobin to block the blood’s oxygen-carrying capacity.
B
It is a colorless, odorless, and tasteless gas that is slightly less dense than air.
C
It is produced from the partial oxidation of carbon-containing compounds.
D
It forms when there is not enough oxygen to produce carbon dioxide.
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