4th Class Science Work, Force and Energy Question Bank Work, Force and Energy

  • question_answer Direction: Fill in the blanks with correct option. There are many types of energy. Some energies are used without __(31)__ the environment. One such energy is hydro energy. Hydro means __(32)__. It is used to produce ___(33)__ by constructing huge __(34)__.

    A) Polluting          

    B) bathing       

    C) Refreshing                   

    D) none of these

    Correct Answer: A

    Solution :



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