10th Class Social Science Minerals and Energy Resources / खनिज और ऊर्जा संसाधन Question Bank Long Answer Type - Minerals and Energy Resources

  • question_answer
    Describe four demerits of conventional sources of energy.                                                     [Delhi 2004C]

    Answer:

    Conventional sources of energy are used on a large scale for example coal, petroleum, hydroelectricity and natural gas have been in use for quite sometime. Water as a source of energy is more important than coal and petroleum because of the following reasons:
    (i) Renewable resource
    (ii) Pollution free          
    (iii) Available in plenty      
    (iv) Maintenance cost is less
    (v) It can be transmitted through energy over long distances.


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