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OpenStudy (anonymous):

Which of these was NOT a period of the Cenozoic Era? Tertiary Quaternary Cretaceous all of these are periods of the Cenozoic Era

OpenStudy (happykiddo):

i think its cretaceous

OpenStudy (anonymous):

alright I thought so too

OpenStudy (anonymous):

thanks

OpenStudy (happykiddo):

your welcome

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