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