7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer 61) Trade waste, refers to

    A) waste that originates from kitchens

    B) waste that originates from toilets.

    C) waste that originates from industrial and commercial organizations.

    D) All the above.

    Correct Answer: C

    Solution :

    waste that originates from industrial and commercial organizations.

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