Which of the following is a controllable risk factor of infectious diseases?
A.
drug abuse

Who could you talk to if you were concerned about your own mental health or that of a loved one?

Andrew loves to go camping and hiking in the fall. about two weeks after his last camping trip, he noticed an expanding red, target shaped, rash on his arm. to avoid this illness, andrew should have select one: a. boiled his water before drinking. b. avoided contact with ticks. c. avoided contact with fleas found on mice. d. camped only in the spring.

During polarization,potassium has a blank charge,sodium has a blank ch arge ,and calcium has a b l ank. charge