The ultraviolet index
A) reports previous ultraviolet radiation levels throughout the United States.
B) predicts the next day's ultraviolet radiation levels throughout the United States.
C) indicates how much sunscreen to wear.
D) estimates the amount of melanin produced by skin cells.
Correct Answer:
Verified
Q13: Much of ultraviolet _ radiation is absorbed
Q14: The spectrum of _ is divided into
Q15: This environmental factor affecting ultraviolet exposure indicates
Q16: According to the Ultraviolet Index of Risk
Q17: The sun's rays include
A)only visible light.
B)only light
Q19: Ultraviolet _ radiation is the highest energy
Q20: According to the Ultraviolet Index of Risk
Q21: A sunscreen with an SPF of 30
Q22: Which of the following sun-safety behaviors for
Q23: A sunscreen with an SPF of 15
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