Which of the following statements about ultraviolet radiation is TRUE?
A. It's best to avoid outdoor activity in the late afternoon because the sun's rays are most intense after 3 p.m.
B. Swimming is a good choice of outdoor activity because ultraviolet rays cannot penetrate water.
C. Sand doesn't reflect ultraviolet radiation, so beach-goers need to wear sunscreen even if they sit under a beach umbrella.
D. You need to wear sunscreen when outdoors at high elevations, because the atmosphere at high altitude filters out most ultraviolet radiation.
D. You need to wear sunscreen when outdoors at high elevations, because the atmosphere at high altitude filters out most ultraviolet radiation.
You might also like to view...
Centers for Disease Control and Protection statistics indicate that tobacco kills about ____ times as many people as all illegal drugs combined
Fill in the blank(s) with correct word
The nurse assesses a client for the presence of proteinuria. What observations indicate that the client is suffering from this condition? Select all that apply
1. Protein excretion in urine of 130 mg/day 2. Protein excretion in urine of 200 mg/day 3. Foamy urine 4. Tea-colored urine 5. Presence of crystals in the urine
DHEA is a precursor for which of the following hormones?
A. Testosterone B. Aldosterone C. Epinephrine D. Norepinephrine E. Estrogen
Jensen suggested that sedentary learning has advantages over active learning.
Answer the following statement true (T) or false (F)