Page 370 - Primary Six Notes
P. 370
Pollution
Pollution is the contamination of the natural environment
caused by natural or human activities
Causes of Pollution
Waste gases from industries
Industrial waste / chemical
Exhaust fumes from vehicles
Oil spills from ships in the ocean
Chemical sprays
Non degradable wastes eg polythene , glass plastics etc
Smoke from burning tyres , oil or bushes
Dust
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