What are the areas of focus of sustainable development​

If you are fighting an infection, your might become enlarged and painful. a. lymphocytes c. lymph nodes b. lymph d. capillaries

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.

What do all of the romance languages have in common? a) they are all widely used in the middle east and southeast asia. b) they can all trace their origins back to the latin alphabet and language. c) they can all trace their origins back to the egyptian alphabet and language. d) they can all trace their origins back to the sumerian alphabet and language.