N The Iliad, the Greek hero slays the Trojan hero in one on one combat. A. Achilles; Hector
B. Hercules; Ares
C. Ares; Achilles
D. Hector; Hercules

Which of the following  bestillustrates a negative reinforcer?               a.  copland gives up candy to stave off chronic acid indigestion.    b.  nancy learns that she prefers chocolate over vanilla.    c.  carmine changes his major to english lit after failing a math exam.    d.  on a hot day, lindberg always drinks lemonade.