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Home Q & A Board Humanities History Anthropology
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missmaggoo missmaggoo
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6 years ago
What causes rickets?
 
  a. An insufficient amount of melanin
  b. Overexposure to ultraviolet radiation
  c. Too much vitamin D
  d. An insufficient amount of vitamin D
  e. Too few melanocytes
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Kingpin112Kingpin112
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