"do you think it is a good idea for the president of the united states to have the authority to limit or shutdown internet traffic to and from any compromised federal government or u. s. critical infrastructure information system or network? why or why not? "

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.