Question

name the two main sources of air pollution​

Answer 1

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Main types of air pollution sources:

1. mobile sources – such as cars, buses, planes, trucks, and trains.
2. stationary sources – such as power plants, oil refineries, industrial facilities, and factories.
3. Area sources – such as agricultural areas, cities, and wood burning fireplaces.

Answer 2

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Here is your answer -

There are four main types of air pollution sources:

1. mobile sources – such as cars, buses, planes, trucks, and trains
2. stationary sources – such as power plants, oil refineries, industrial facilities, and factories
3. area sources – such as agricultural areas, cities, and wood-burning fireplaces
4. natural sources – such as wind-blown dust, wildfires, and volcanoes