Name the process by which nuclear energy is generated and also name one substance used for it. Give two advantages and two hazards of nuclear energy

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The process is nuclear fission.  Substances are uranium, plutonium, thorium.
Advantages :
(i) For a given amount of fuel, the amount of energy is released extraordinarily large.
(ii) Nuclear power plants can be set up at any place.

Hazards :
(i) Improper nuclear waste storage and disposal result in environment contamination.
(ii) Further there is a risk of accidental leakage of nuclear radiation.

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