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In which situation can drinking use of river water become a health risk?किस परिस्थिति में नदी जल का पेय उपयोग स्वास्थ्य जोखिम बन सकता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: When water is polluted and untreatedजब जल प्रदूषित और बिना उपचार हो
Untreated polluted river water can spread diseases. Exam tip: treat purification as essential for drinking water.बिना उपचार प्रदूषित नदी जल रोग फैला सकता है। परीक्षा में पेयजल में शुद्धिकरण को अनिवार्य मानें।
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