Question

How are non - conventional resources of power useful to us?
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Answer 1

Non conventional sources of energy include solar, wind, tidal, geothermal. bio gas etc. They are relevant because : ... Use of non conventional sources of energy is in tune with objective of sustainable development as it does not cause environmental hazards.

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Answer 2

Answer:

NON CONVENTIONAL RESOURVES ARE RENEWABLE AND INEXHAUSTIBLE

THEY ARE CHEAP