Question

when water and sulfur dioxide (primary pollutant) meet, sulfuric acid is formed. what type of pollutant is sulfuric acid? primary pollutant secondary pollutant

Explanation:

Primary pollutants are directly emitted from sources. Secondary pollutants are formed by chemical reactions of primary pollutants. Since sulfuric acid is formed by the reaction of water and sulfur dioxide (a primary pollutant), it is a secondary pollutant.

Answer:

Secondary pollutant