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The top documents tagged [majority of pollution]
Liquid Nitrogen- An Alternative Fuel
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#5 – In SE Asia, it was Industry & Population. In Africa, it is Human Activity or Natural Environment Pollution. #6 – Soil is not fertile for growing
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water-05-00462
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Water pollution is the addition of any substance that degrades, or lowers the quality of the water for living organisms. 1
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AFRICA CURRENT PROBLEMS Water Issues Deforestation Desertification
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