Question

what are the alternative power resources available to humans?Where are they found and how are they useful?

Answer 1

1.The alternative power sources apart from coal energy and hydroelectric energy are solar energy, wind energy, tidal energy, nuclear energy, geothermal energy etc.


2.They are found in nature free of cost.The proper techniques are used to harness these renewable source of energy.They are very useful since they are non exhaustable and pollution free energy source.They are considered future source of energy.


3.Nuclear energy is a non renewable source of energy but it has some advantages like it is a continuos source of uninterrupted energy and do not emit green house gases.However this source of energy has some major disadvantages also.

Hence it is a most controversial source of energy.



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Answer 2

Answer:

Alternative sources of electricity are solar, wind, tidal, nuclear, and geothermal plants, besides coal and hydroelectric energy. They are free of charge in nature. These green energy sources are utilized using proper techniques. They are useful because they are energy sources that are non-exhaustible and emission-free. They are seen as a potential energy supply.