जॉइन Examsbook
Exposure to sunlight helps a person improve his health because5
प्र: Exposure to sunlight helps a person improve his health because
- 1the infrared light kills bacteria in the bodyfalse
- 2resistance power increasesfalse
- 3the pigment cells in the skin get stimulated and produce a healthy tanfalse
- 4the ultraviolet rays convert skin oil into Vitamin Dtrue
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