7th Class Science Wastewater Story Question Bank Wastewater Story

  • question_answer Which of the following are non-biodegradable wastes?

    A) Paper             

    B) Vegetables

    C) Wood              

    D) Polythene

    Correct Answer: D

    Solution :

    Polythene

adversite


You need to login to perform this action.
You will be redirected in 3 sec spinner

Free
Videos