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The Question Has Four Options. Choose the Correct Answer: Sewage Water is Purified by - Biology

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प्रश्न

The question has four options. Choose the correct answer:
Sewage water is purified by

विकल्प

  • microorganisms

  • light

  • fishes

  • aquatic plants

MCQ

उत्तर

microorganisms

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 23: Safe Disposal of Wastes - Exercise [पृष्ठ २१२]

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फ्रैंक Biology [English] Class 9 ICSE
अध्याय 23 Safe Disposal of Wastes
Exercise | Q 12.1 | पृष्ठ २१२
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