Answer :
Answer: d. all of the above
Explanation:
Nuclear energy is the energy produced by the nuclear reactions which involves the fission, fusion and decay of the heavy molecular weight atom takes place. All these processes produces thermal energy which is used to produce another form of energy such as electricity.
Nuclear weapon like atomic bombs use the nuclear energy to explode and cause mass destruction.
Nuclear submarine uses nuclear reactors for generating electricity that power the electric motors the heat generated in this process produces steam that helps in the movement of the turbines.
Therefore, all of the above is the correct option.