Which statement best illustrated an example of economic specialization A. a country reduces its division of labor by encouraging all workers to develop many different skills. B. A country promotes business that create many different products despite high opportunity costs. C. A country attempts to become self-sufficient by producing all the cars it needs on its own. D. The country focuses on growing a specific type of crop for export instead of a wide variety of crops.

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)