Physics homework help. What are the five lines that should appear on your title page? · Headings are required to be used in this course! What is the difference between a Level 1 heading, a Level 2 heading, and a Level 3 heading?· Should your entire paper be double-spaced?· Should you add extra lines between the sections of your paper?· Is the first line OR the second line of a citation (on the reference page) indented?