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प्रश्न
The main source of water pollution is ______.
विकल्प
Sewage water
Industrial pollutants
Acid rain
None of these
MCQ
रिक्त स्थान भरें
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उत्तर
The main source of water pollution is Sewage water.
Explanation:
Untreated or improperly treated sewage is a major source of water pollution. It can contaminate water and spread diseases.
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