Mary anticipates coming into contact with the blood and body fluids of a patient. to protect herself and others from potential infectious diseases, she must wear "blank" and "blank" .

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport

The answer would be a (carbohydrates)

Ibelieve the answer is microorganisms within the body develop mutations, so d.hope i you out : )