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What is the purpose of treating wastewater?

Answer and explanation

Correct answer: To reduce water pollution

The governing concept is pollution control through wastewater treatment. Used water from homes, industries, farms, and institutions may contain suspended solids, organic matter, nutrients, disease-causing microorganisms, oils, and harmful chemicals. Treatment uses physical, biological, and sometimes chemical processes to remove or reduce these contaminants before the water is discharged or reused. This improves water quality, protects rivers and groundwater, reduces disease risks, and safeguards aquatic organisms. Therefore, option A is correct because reducing water pollution is the direct purpose. Soil-erosion control and forest expansion are important environmental goals, but wastewater treatment does not directly achieve them; raising air temperature is unrelated. Proper treatment supports safer water management.

Related tags

Wastewater TreatmentWater PollutionWater QualityPollution ControlEnvironmental PollutionGeographical Perspective On Selected Issues And ProblemsGeographyClass 12 Mcq

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