Which of the following health issues occurs due to exposure to radioactive waste?

The most adverse effect of radioactive pollutant is

How is radioactive waste disposed of?

Suggest the effects of radioactive waste and methods for its disposal.

Which of the following statement$(s)$ is/are correct?
$(i)$ Nuclear energy is a non-polluting way of generating electricity.
$(ii)$ Radioactive waste leakage incidents occurred at Three Mile Island and Chernobyl.
$(iii)$ Prolonged exposure to radioactive waste can cause cancer.
$(iv)$ Radioactive waste is recyclable.
$(v)$ High doses of radiation are lethal.

Which of the following is a major source of radioactive pollution?