Radiation continues to be detected in the area surrounding the abandoned nuclear power plant at Chernobyl, which experienced a nuclear accident in 1986. How does this fact illustrate a concern that people have with nuclear energy as a source of electricity?
A. It shows that any type of radioactive material will have harmful effects on organisms in the environment.
B. It shows that nuclear power plants always leak a small amount of radiation into the environment.
C. It shows that radioactive materials released at nuclear power plants remain radioactive and persist in the environment.
D. It shows that chain reactions are still happening in the reactors at the nuclear power plant.