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Home Q & A Board Humanities History Anthropology
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uYuSs uYuSs
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6 years ago
Increasing evidence points to __________ as a contributing factor to the massive planetary-level extinctions that occurred in the distant past.
 
  A. meteorite strikes
  B. volcanic activity
  C. gamma rays
  D. dropping sea levels
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andreasoad Authorandreasoad
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#1
6 years ago
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