Most air pollution comes from

a. pollen.

b. forest fires.

c. volcanic eruptions.

d. burning fossil fuels.

The answer is D.

Most of air pollution comes from burning fossil fuels

Fot those who dont know, almost all of oil energy that we use today comes from burning fossil fuels. Car gasoline, solar, cooking oil, all of them are categorized as fossil fuels

Fossil fuels produce Carbon Monoxide as the result of it's energy production, which is very bad for human health.