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Balakrishnan Mohan
's Polls
GK
Exposure to sunlight helps a person improve his health because
the infrared light kills bacteria in the body
0 votes (0%)
the infrared light kills bacteria in the body
resistance power increases
0 votes (0%)
resistance power increases
the pigment cells in the skin get stimulated and produce a healthy tan
0 votes (0%)
the pigment cells in the skin get stimulated and produce a healthy tan
the ultraviolet rays convert skin oil into Vitamin D
2 votes (100%)
the ultraviolet rays convert skin oil into Vitamin D
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