If cold fusion worked, it would provide almost limitless power from very inexpensive raw materials, materials far cheaper than coal or oil. But replacing all the traditional electric generators that use these fuels with cold-fusion power plants would result 25 percent in the average residential electric bill.
What this question is testing
Your task
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Common trap
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Winning move
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.