2. Questions Bank
  3. 7th Class
  4. Science
  5. Wastewater Story

7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer
    Water scarcity problem is increasing day by day because of

    A) population growth

    B) industrial development'

    C) pollution

    D) All of the above

    Correct Answer: D

    Solution :

    All of the above


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