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**PLEASE ANSWER ASAP AND YOU DONT NEED TO SAY WHY JUST GIVE ME THE CORRECT ANSWER!!!! During the Cenozoic era, mountain building in western North America was caused by _____. cl…

**PLEASE ANSWER ASAP AND YOU DONT NEED TO SAY WHY JUST GIVE ME THE CORRECT ANSWER!!!! During the Cenozoic era, mountain building in western North America was caused by _____. cl…
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**PLEASE ANSWER ASAP AND YOU DONT NEED TO SAY WHY JUST GIVE ME THE CORRECT ANSWER!!!!

During the Cenozoic era, mountain building in western North America was caused by _____.


climate changes


earthquake activity


tectonic activity


mammal migration

User Maria Jane
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1 Answer

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Tectonic Activity!! Hope this helps
User Demi
by
8.6k points
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