Like the United States, Canada is a developed nation. What does it mean to be a "developed nation?" ? A. They have free health care.
B. They have a high level of economic development and it economy includes high level technology.
C. Their economy is constantly changing.
They don't have any allies.

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)