6th Class Science Garbage In, Garbage Out Question Bank Self Test-18

  • question_answer
    Which one of the following is a non-biodegradable substance?

    A)  Papers

    B)  Plastics

    C)  Vegetable peels

    D)  Woods

    E)  None of these

    Correct Answer: B

    Solution :


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