Answer:
In reality it helps us concentrate and focus and scientifically proven that it helps us remember things better
Explanation:
It is scientifically proven
School is preparing you for the real world. Sometimes the job you’re aspiring to do doesn’t fit in with the school curriculum, but it will help you if you get to an accelerated course of study.
C the narrator traveled with the artillery man
,The hyphen is used because two-thirds is a fraction written in extense