Answer:
you must know the topic so u add information to present, and you must know how to present it.
Step-by-step explanation:
( This part is just extra) To be sure you are providing the right level of detail, keep your purpose in mind when you are determining your audience. If you are writing to inform, your audience knows little to nothing about your topic. If they knew as much as or more than you, they wouldn't need to read your paper.