Which of the following is not a potential problem of using more nuclear energy?
a. the plants might completely melt down and destroy nearby environments
b. cost to build a nuclear plant is very high
c. they can provide a lot of energy for people to use
d. spent nuclear fuel is dangerous if handled wrong

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

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