What Katie is worried about at the beginning of The Shakespeare Mix-Up is the speech she has to give tomorrow.
She is learning some facts about Shakespeare and is frightened about what her speech is going to look like the following day. She says to her mom that it is a very important speech and that her school career depends on it.
The role of a foil in a literary work to to provide contrast against the protagonist, in order to further highlight one or more characteristics of the protagonist.
Answer: neurology
Explanation:
Neuro means relating to nerves or the nervous system.