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owjiahao owjiahao
wrote...
Posts: 528
Rep: 0 0
6 years ago
Barrett's esophagus is a predisposing risk factor for
 A) hiatal hernia.
  B) hepatitis.
  C) peptic ulcer.
  D) adenocarcinoma.



Which vitamin is converted from cholesterol in the skin by ultraviolet light?
 A) Vitamin C
  B) Vitamin A
  C) Vitamin E
  D) Vitamin D
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Replies
wrote...
6 years ago
D

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D
owjiahao Author
wrote...
6 years ago
I'm seriously surprised that you found the answer, ty
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