what is pollution of std 8
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Pollution of Air and Water Class 8 Science NCERT Intext Activities Solved
Air Pollutants Sources
2. Carbon monoxide Vehicles, Industries
3. Chlorofluorocarbons Refrigerators, air conditioners aerosols, sprays, etc.
4. Nitrogen oxide Petroleum refineries, agricultural activities
5. Sulphur oxide Combustion of fuels, industrie
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Air pollution
Water pollution
Soil pollution
Noise pollution
Radioactive pollution
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