When quantity demanded in a market is more than the quantity supplied, occurs.
a. a surplus
b. an equilibrium
c. a shortage
d. a production possibility

Did cuneiform develop the language we use today

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.

2advanteges of the slash and burn method