Before beginning any exercise regimen, you should always a. run for at least 30 minutes to test your ability to exercise. b. weigh yourself. c. eat only carbohydrates to have enough energy stored in the body. d. consult your healthcare professional and have a physical examination.

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.