The major problem in harnessing nuclear energy is how to :

Options

A. split nuclei
B. sustain the reaction
C. dispose of spent fuel safely
D. covert nuclear energy into electrical energy

Answer

C

Explanation

The major hazard of nuclear power generation is the storage and disposal of spent or used fuels. Improper nuclear-waste storage and disposal result in environmental contamination, as well as, risk of accidental leakage of nuclear radiation.
It happened in Chernobyl disaster 1986, Fukushima Nuclear disaster 2011 caused great damage to the living beings and habitates.