Question

based on their origin how can air pollutants be classified​

Answer 1

Answer:

Air pollutants are divided into two categories, based on their origin-primary and secondary. Primary air pollutants: ... Particulates, carbon monoxide, (CO), oxides of sulfur (SOx), oxides of nitrogen (NOx), hydrocarbons (HCs), radioactive compounds, pollen and bacteria are the major primary air pollutants.