Someone tell me a pro and con of this

Which of the following is an advantage of using nuclear power plants to produce electricity?

Which statement would a supreme court justice who believes strongly in judicial activism most likely agree with

Ben's town is holding an election for mayor next month, and he is trying to decide which of the two candidates for mayor will get his vote. ben thinks that his town's air quality has decreased in recent years. because of this belief, what should ben look for when deciding on a candidate?