What are the two software design pattern underlying the Tree interface and its implementation classes called? Pick exactly two.

Aubrey didnt like to use graphics or images on her slides. she preferred to use only a title for her slides and bullet-poinged text. what is the best thing you could say to aubrey about using media that might change her mind? a. as long as you use it responsibly, it will only enhance your slides and engage your audience. b. actually, aubrey's beliefs are well founded and backed up by research. c. you should always try to inlcude as much media as you can on a slide. d. media will keep your audience entertained and take the pressure off the presenter.