Multiple choice

Photochemical smog is related to the pollution of�

  1. Soil

  2. Water

  3. Noise

  4. Air

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Photochemical smog is a type of air pollution formed when sunlight reacts with nitrogen oxides and volatile organic compounds from vehicle exhaust and industrial emissions. This creates secondary pollutants like ozone and peroxyacyl nitrates. It specifically affects atmospheric air quality.