हिंदी

______ from the air and sunlight destroy the germs present in water. -

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प्रश्न

______ from the air and sunlight destroy the germs present in water.

विकल्प

  • Oxygen

  • Hydrogen

  • Nitrogen

  • none

MCQ
रिक्त स्थान भरें

उत्तर

Oxygen from the air and sunlight destroy the germs present in water.

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