हिंदी

Water pollution is chiefly caused by ______.

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प्रश्न

Water pollution is chiefly caused by ______.

विकल्प

  • human beings

  • animals

  • factories

MCQ
रिक्त स्थान भरें
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उत्तर

Water pollution is chiefly caused by factories.

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अध्याय 5: Health Education and Health Problems - EXERCISE [पृष्ठ १३७]

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नूतन Physical Education [English] Class 12 ISC
अध्याय 5 Health Education and Health Problems
EXERCISE | Q 8. | पृष्ठ १३७
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