Question

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

Explanation:

Oxygen is a natural and essential component of air for respiration. Sulfur oxides, ozone (in the troposphere as a pollutant), and carbon monoxide are harmful air pollutants. Sulfur oxides contribute to acid rain, tropospheric ozone causes respiratory issues, and carbon monoxide is toxic.

Answer:

oxygen