Question
Distinguish between conventional and non-conventional sources of energy.
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S.No.
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Conventional sources
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Non-conventional sources
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(i)
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These sources of energy are in use from the past.
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These sources of energy are in use from recent times.
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(ii)
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They spread pollution.
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These are eco-friendly.
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(iii)
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They are generally exhaustible.
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They are usually inexhausitble.
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(iv)
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These include firewood, cattle dung cake, coal, petroleum, natural gas and electricity (both hydel and thermal).
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These include solar, wind, tidal, geo-thermal, biogas and atomic energy
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