Option 4, 'a quote from a customer describing how much their electric bill was lowered,' best supports evidence that solar panels save money. You are using a first hand source to prove to the audience that solar panels save money.
1. The boys are full of mischief and always looking for trouble.
2. I waited at the starting line to begin the race.
3. He arrived late because he had an appointment elsewhere.
4. After much discussion, he approved the project.
Hope that helps!
Answer:
B) to state the main topic of the paragraph
Explanation:
I believe the answer is C, writing a review for a movie