Which of the following was the biggest improvement the cotton gin made to cotton production? increased economic dependency on cotton
increased quantity of production
increased the population of wealthy landholders
increased quality of production

Astudent answers 86 problems on a test correctly and receives a grade of 98% how many problems were worth the same number of points

Why is mary salter ainsworth a central figure in psychology?

Steven spielberg's classic movie jaws was a thriller about a great white shark that terrorized tourists at a local beach. just before the shark's appearance, eerie music began playing. as the unseen shark came closer, the tempo of the music picked up. after the audience had experienced this a few times, the sound of the music triggered the emotional reaction of fear in the audience even though the shark still had not appeared. at that point, the sound of the eerie music was a: a) unconditioned response (ucr) b) conditioned response (cr) c) conditioned stimulus (cs) d) unconditioned stimulus (ucs)