Question

Identify one secondary pollutant that is a component of photochemical smog and describe the following.

(i) How the secondary pollutant forms
(ii) ONE human health effect of the pollutant
(iii) ONE environmental effect of the pollutant

Answer 1

I: Secondary pollutant forms as a reaction between the pollutants (from factories/cars) and the molecules already in the atmosphere.

II: Inhaling secondary pollutants can cause respiratory infections and breathing issues.

III: These pollutants can cause acid rain, which can dissolve materials as hard as metal.