Help me please. Just fill up the blanks pleasee and thank you (i guess)

Whats the difference between epinephrine and norepinephrine?

What disease is nick suffering from nick observes thickening and discoloration of the nail of the index finger nick is most likely suffering from a what infection

Ricky is interested in the health and safety or animals and humans. she wants to pursue a career that allows her to monitor diseases in both animals and human populations. which career should ricky pursue?