One of the functions of skin is the synthesis of vitamin D. Which of the following would be evidence for this function?

A) Vitamin D levels are higher in people who take supplements, such as multivitamins.
B) Vitamin D levels are lower in people who wear sunscreen.
C) Cancer rates are higher in people with more sun exposure.
D) People living in the tropics are vitamin D deficient.


Answer: B

Biology & Microbiology

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