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AyeDocJ AyeDocJ
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Posts: 769
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6 years ago
The majority of human cancers are caused by ______.
 
  A. viral infections
  B. inherited mutations
  C. spontaneous mutations
 
  D. carcinogens
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bolbolbolbol
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2 years ago
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AyeDocJ Author
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6 years ago
this is exactly what I needed
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Yesterday
Good timing, thanks!
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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