1who controls the nationalized oil industry in mexico?
a.
u. s. government
b.
state governments
c.
mexican government
d.
private oil companies
2which of the following is not a major resource in mexico's economy?
a.
minerals
b.
oil
c.
tourism
d.
fur

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.