| http://www.w3.org/ns/prov#value | - there are many germs and bacteria in the air and soil.all the dirt that is washed away by the rain flows to the stream and therefore the water is contaminated.if someone drinks that water without no purification or any other special treatment applied on it,there is a possibility of getting sick.again chemicals from industries contaminate water making it unsafe for drinking.in zimbabwe the most com
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