3. What do you mean by water pollution?
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Answer:
Water pollution is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water pollution results when contaminants are introduced into the natural environment.
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Explanation:
Altering the physical and chemical properties of water is known as water pollution.It involves the adding of undesirable substances in water.
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