Question

how do air pollutants enter the atmosphere.​

Answer 1

Answer:

$\huge\blue {\mathfrak{Bonjour Mate!}}$

The following are the two methods on how these particulate matter can enter the atmosphere:

Direct - Like when fuel is burnt and when dust is carried by wind, or

Indirect - Like when gaseous pollutants previously emitted to air turn into particulate matter

Answer 2

Answer:

Air pollutants enter the atmosphere as they get suspended in the air after being emitted by vehicles, factories, volcanoes, etc., as a product of combustion and incomplete combustion, oxidation of atmospheric nitrogen, and as they are vaporized due to an increase in temperature or humidity.

Explanation: