Roberto lives near a wind farm and is wondering about the environmental effects of the wind turbines. he that the turbines make a sound like faint airplane engines and also that there are far fewer meadowlarks living near the windfarm than lived there before the windfarm was built.
a) guesses
b) predicts
c) hypothesizes
d) theorizes
e) observes

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)