Why is there a need to harness non-conventional sources of energy?

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Our demand for energy is increasing, and conventional sources of energy cause less pollution.

Our demand for energy is increasing, and conventional sources of energy cause a lot of pollution.

Non-conventional Sources of energy like Hydro energy causes no damage to the ecosystem.

None of the above

answer is B.

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Detailed Solution

Our energy demand is increasing, and conventional sources of energy cause a lot of pollution, so there is a need to harness non-conventional sources of energy.
Also, there are two more main reasons for harnessing non-conventional sources of energy:
● Our energy demand is increasing to improve the standard of living and is growing to meet the needs of the population.
● The use of conventional sources of energy like coal and petroleum is limited, exhaustible and causes a lot of pollution.

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