Multiple Choice
Figure 40-1
Use the figure to answer the corresponding question(s) . 
-Which of the following statements about UV radiation is true?
A) It is necessary for the body to make vitamin B.
B) The amount of UV radiation that reaches the Earth's surface is fairly constant.
C) The ozone hole is responsible for the Greenhouse Effect, but has no impact on levels of UV radiation.
D) Individuals with less melanin suffer less wrinkling and skin cancer.
E) Exposure to ultraviolet rays causes the epidermis to thicken and produce more melanin.
Correct Answer:

Verified
Correct Answer:
Verified
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