Ozone is NOT a common primary air pollutant. It is considered a secondary air pollutant because it forms in the atmosphere through chemical reactions involving primary pollutants, sunlight, and heat. The other options—carbon monoxide, particles (particulate matter), and sulfur oxides—are common primary air pollutants.
Which of the following is NOT a common primary air pollutant? (1 point)
carbon monoxide
particles
sulfur oxides
ozone
1 answer
1 answer