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