Question

where does pollution happens? ​

Answer 1

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• Most air pollution, harmful gases and particles in the air, affecting national parks is created outside park boundaries

Types of Sources:-

There are four main types of air pollution sources:

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

Answer 2

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Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories

type of pollution

• Air pollution
• soil pollution
• noise pollution
• water pollution
• etc