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What are Primary air pollutants?

61. What are Primary air pollutants?

1. Primary air pollutants are those which are emitted directly into the atmosphere and remain in the form in which they are emitted
2. Primary air pollutants are produced in air by the interaction between two or more primary pollutants or by a reaction between atmospheric constituents

Answer: A) Primary air pollutants are those which are emitted directly into the atmosphere and remain in the form in which they are emitted

Explanation:

Primary air pollutants are those which are emitted directly into the atmosphere and remain in the form in which they are emitted.