Topic Content:
- Meaning of Air Pollution
- Composition of Clean Dry Air
- Causes of Air Pollution
- Sources of Air pollution
What is Air Pollution?
Air pollution is the introduction of chemicals, particulates, or biological materials into the atmosphere which causes discomfort, disease, or death to humans, damage to other living organisms such as food crops, or damage to the natural environment or built environment.
An air pollutant is any substance in the air that can be harmful to humans and the environment. Air pollutants can be in the form of solid particles, liquid droplets, or gases. In addition, they may be natural or man-made. The most common sources of air pollution include particulates, nitrogen dioxide, and sulphur dioxide. Air pollution is a significant risk factor for multiple health conditions, including respiratory infection, heart disease, and lung cancer.
The Composition of Clean Dry Air:
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