Answer:The thickness of an object can also affect pitch. Thinner strings or wires vibrate faster than thicker ones. Remember:faster vibrations = higher pitch! For example, when a thick rubber band and a thin rubber band are both plucked with the same force, the thin rubber band has a higher pitch.
A and E
Preparing will help him because when someone is familiar with something they can talk about it easier
Practicing in front of a mock audience cause help him build up his courage and catch what he might have to do later.
B. It’s good that he’s acknowledging it but it doesn’t say that he’s facing it or dealing with it.
C. You don’t want to simplify your speech and lower its impact cause it can actually make it worse
D. Sleeping can help but just to forget
In the end it’s best to prepare and practice his speech
Gregor transforming into an insect. hopes this helps.