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What period of history refers to the time when people did not have written records

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?

Francisco loves to learn, but his lack of english makes him feel “nervous and scared.” why is he both happy and scared of school