Question

which of the following is not an air pollutant? ozone oxygen carbon monoxide sulfur oxides

Explanation:

Oxygen (\(O_2\)) is a natural and essential component of the air we breathe. It is not considered an air pollutant. Ozone (\(O_3\)) in the troposphere (lower atmosphere) is a harmful pollutant. Carbon monoxide (\(CO\)) is a toxic gas produced by incomplete combustion. Sulfur oxides (\(SO_x\)) are pollutants that contribute to acid rain and respiratory problems.

Answer:

oxygen