4th Class Science Renewable and Non-Renewable Resources Question Bank Renewable and Non-Renewable Resources

  • question_answer
    Which of the following is a disadvantage of most of the renewable energy sources?

    A) Unreliable supply       

    B) High waste disposal cost

    C) Highly polluting                      

    D) High running cost

    Correct Answer: A

    Solution :

        Unreliable source is the major disadvantage of the renewable source. For Example: solar energy can be used in the day time when the sun is shining bright. It cannot be used on rainy days or at night time.            


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