Q
Exposure to sunlight helps a person improve his health because ________?
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A
A. Resistance power increases
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B
B. The infrared light kills bacteria in the body
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C
C. The ultraviolet rays convert skin oil into vitamin d
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D
D. The pigment cells in the skin get stimulated and produce a healthy tan
Correct Answer:
C. C. The ultraviolet rays convert skin oil into vitamin d
