Answer:
C. The plants are very expensive to build.
Explanation:
Creation of nuclear power plants are extremely expensive, from $2 billion to ~$9 billion for one unit. However, it is important to note that nuclear power plants are not only effective, but also efficient, with a 92.5% efficiency rate, being the most effective way of obtaining energy, compared to 56.6% for natural gas, and 24.9% for solar energy. [Data extrapolated from the US Department of Energy].
It is important to note that the other 3 options are benefits, and the question is asking about what is not a potential benefit.
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