Answer: -
One of the greatest safety concerns associated with nuclear power plants is the
C. Disposal of radioactive by-products
Explanation: -
Nuclear power plant involve using the heat energy released by nuclear fission to generate electricity.
Nuclear fission involves radioactive by-products. These by-products being radioactive emit harmful radiations that harms the human body.
Thus, one of the greatest safety concerns associated with nuclear power plants is the disposal of radioactive by-products