2. Questions Bank
  3. 4th Class
  4. General Knowledge
  5. Environment

4th Class General Knowledge Environment Question Bank Enviromental Conservation

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

    A)  Highly polluting  

    B)     High waste disposal cost

    C)  Unreliable supply

    D)  High running cost

    Correct Answer: B

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