The ultraviolet index
A) estimates the amount of melanin produced by skin cells.
B) predicts the next day's ultraviolet radiation levels throughout the United States.
C) indicates how much sunscreen to wear.
D) reports previous ultraviolet radiation levels throughout the United States.
B
You might also like to view...
The normal oral temperature is:
A) 98.6 °F. B) 97.8 °F. C) 99.8 °F. D) 100.8 °F.
A/An ____________________ is a contraction of the smooth muscle in the walls of the bronchi that tighten and squeeze the airway shut.?
Fill in the blank(s) with correct word
The term meaning wound or injury is ____________________.
Fill in the blank(s) with the appropriate word(s).
How is nitrous oxide used?
A) It is injected. B) It is inhaled. C) It is swallowed in pill form. D) All of the answers are correct.