Sarah, a citizen of the united states, has emigrated to australia. she has been advised by her skin doctor to take every precaution to protect her skin at all times. what could be the reason behind this concern? a. no reason. her skin doctor is being overly cautious. b. being new to the country, it is safer for sarah to take precautions until she gets acclimated. c. australia faces a threat of overexposure to uv radiation. d. australia's hot weather could cause sarah’s skin to burn. e. the doctor may be cautious because sarah may be genetically predisposed to skin afflictions.