Pavlov placed meat powder in the mouths of the dogs, and they began to salivate. pavlov's student noticed that after a few days the dogs began to salivate at the sound of the student's footsteps. the salivation to the sound of the footsteps was a

What are objects called that have value in and of themselves as well as value as a means of exchange? custom commodity money currency simple money

What was the atlanta race riot of 1906 ?

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?