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

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When ozone forms near the ground, it is known as a secondary pollutant. This is because it is the result of two primary pollutants reacting to create a new substance. The reaction between the primary pollutants is airborne and then the resultant ozone settles near the surface of the ground.

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