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-
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Chavez is "Stating a clear purpose or goal" when he says ..."that we have miles to go before we reach the promised land."
Answer: Scabbers is Ron Weasley's pet rat, who once belonged to Ron's older brother, Percy. Ron claims he's useless because he sleeps all the time, though he did wake up to bite Gregory Goyle in Ron's defence on the Hogwarts Express.
Explanation: hope this helps <3
