Use the scenario to answer the question.

Two students in the debate club are preparing arguments for and against the use of nuclear energy. Each student will have five minutes to present an argument based scientific evidence

The student who supports the use of the nuclear energy is considered a proponent of nuclear energy.

The student who does not support the use of nuclear energy is considered an opponent of nuclear energy

The proponent presents his argument first. His argument is based on the following key points.

•Nuclear energy does not emit any greenhouse gases.

• Nuclear energy does not contribute to global warming.
Next, the opponent presents in his argument.
Which pair of key points is the opponent most likely to use in his argument against the use of nuclear energy?

- Nuclear energy produces radioactive waste that is difficult to dispose of safely.

- Nuclear energy poses a risk of accidents and disasters, such as meltdowns like the one at Chernobyl.