Read the passage. (1) Teenagers should be able to start the school day at a later time to allow for more sleep in the morning. (2) Leading medical experts have found new evidence that starting the school day later could greatly benefit high school students’ grades and focus. (3) Starting school later would also push back the time for extracurricular events to begin. (4) Parents might wonder if this would give their students enough time to finish homework in the evening. Which sentence contains a persuasive appeal? sentence 1 sentence 2 sentence 3 sentence 4