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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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neonfayt neonfayt
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6 years ago
During the ________ era, the westward-moving North American plate began to override the Pacific plate, eventually causing the tectonic activity that ultimately formed the mountains of western North America.
 
  A) Mesozoic
  B) Paleozoic
  C) Cenozoic
  D) Precambrian
  E) none of the above
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karlyphilpottkarlyphilpott
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6 years ago
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neonfayt Author
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6 years ago
Thanks for your help!!
TheMoffattMan
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Yesterday
Smart ... Thanks!
wyq2651
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2 hours ago
Brilliant ツ
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