why there is a need to harness non conventional sources of energy? Give three main reasons.
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venkatakarthik8
1 they are not harmful to the environment and does not create any by products which are very much dangerous to earth 2 the can be utilized continously for so many times as they are available in nature in large amounts 3 they are the only renewable source of energy present which can be used on earth
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2 the can be utilized continously for so many times as they are available in nature in large amounts
3 they are the only renewable source of energy present which can be used on earth