Question

dust, soot, and smoke are air pollutants that consist of very small articles. what do we call this group of air pollutants? particulate matter acids

Explanation:

The question asks for the name of a group of air pollutants (dust, soot, smoke) consisting of very small particles. Particulate matter is defined as such small - sized solid or liquid particles in the air. Acids are a different category of pollutants (e.g., sulfuric acid, nitric acid in acid rain), not related to the description of small - particle pollutants in the question.

Answer:

Particulate matter