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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