Please can you answer this please 60 points

When were the exodus of farm workers during the depression

The principle that the geoglical processes that we see today have occurred through out earths history is called

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?