Question

Ozone forms near the ground when pollutants from cars are exposed to UV radiation and oxygen. This is an example of a _______.



a.

primary pollutant


b.

secondary pollutant


c.

tertiary pollutant


d.

none of the above

Answer 1

Ozone forms near the ground when pollutants from cars are exposed to UV radiation and oxygen. This is an example of a b. secondary pollutant.

Answer 2

Must be a secondary pollutant...

Answer 3

A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.

Answer 4

@BEATZDJ is correct