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Contamination of rivers, lakes and seas by fertilizers, pesticides, sewage, and oil or toxic waste from ships and factories.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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|Noun||1.||water pollution - pollution of the water in rivers and lakes|
pollution - undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities
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