Answer:
because they're basically like the 1st and 2nd steps of the writing process, and they help you to write a better paper/make a better project
Explanation:
when you brainstorm, you come up with ideas. once you choose the idea or ideas you like the most, you can write your first draft completely about that idea or ideas. if you go into a first draft without brainstorming, you might end up with too many ideas, a disorganized paper, and just bad quality all around.
