You did not provide the excerpt, however, imagery is using words to create images by describing every aspect of some entity. A metaphor is a type of figurative language that compares one thing to another, such as calling a man a lion because of his bravery. You can use this logic to find the correct answer in your excerpt.
Answer:
The term hippocampus is related to brain research because the hippocampus is the part of the brain that contains memories, emotions and learning.
I don't know the second part, sorry-
Answer:
The leader of Erudite accuses Marcus of being abusive towards his son, Tobias.
