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Sun exposure can bring about an improvement in health because of which of the following reasons:

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AThe infrared light kills bacteria in the body
BResistance power increases
CThe pigment cells in the skin get stimulated and produce a healthy tan
DThe ultraviolet rays convert skin oil into Vitamin D

Correct Option: 4  

Explanation:
The ultraviolet rays convert skin oil into Vitamin D.
posted May 20, 2019 by anonymous

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