What are the advantages of unclear energy?

Explanation

The advantages of nuclear energy are:
`rarr` Large amount of energy is produced per unit mass.
`rarr` It does not produce smoke. It is a clean energy.
`rarr` Fission of one atom of uranium produces 10 million times the energy released by burning of one atom of carbon.
`rarr` Fusion of four hydrogen atoms produces huge amount of energy approximately equal to 27 MeV.