Consider the improvements Oklahoma City made during their journey to be healthier. Which of the improvements do you think is something your own community could benefit from and why? (Explain where you live and what problem such an improvement would address in your own town). pls answer

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.