Exposure to radiation and other environmental mutagens.
I believe it’s C it delivers more oxygen to the body
I think it's because they need to be ready to help customers with questions and concerns regarding different medications, as well as watching out for signs of medication abuse.
hope this helps!!
I would say either a or b because when dealing with stress you want to reflect on things you’ve done in the past and see how they resulted, but then it also helps to have the ability to laugh at yourself because it can make the situation less stressful. Hope that helped a little