Rim2000
Rim2000 Rim2000
  • 05-04-2017
  • Biology
contestada

Which era ended in the greatest mass extinction event in world history?

Paleozoic

Mesozoic

Precambrian

none of the above

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k12user421 k12user421
  • 05-04-2017
the 2nd one hope this helps! :)
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