Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of ____. A. a primary pollutant B. a secondary pollutant C. a tertiary pollutant D. none of the above.

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Answer: B. A secondary pollutant

An acid rain is an example of a secondary pollutant because it is a chemical reaction of two gases namely, the sulfur dioxide and the nitrogen dioxide. The acid rain is not also directly emitted by the atmosphere. 

Because it is formed from primary pollutants, acid rain is an example of a secondary pollutant.

What kind of pollutant is acid rain?

Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide.

Avid rain is a secondary pollutant because it is formed from the reaction if primary pollutants such as sultry dioxide present in air.

Therefore, acid rain is an example of a secondary pollutant.

Learn more about about acid rain at: https://brainly.com/question/718250