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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 (falco276):

Oh, geez. I remember learning this from 9th grade but slightly forgot it. I'll try my best. :)

OpenStudy (falco276):

Okay, I think it could be um, maybe C?

OpenStudy (falco276):

That's my best answer so far. :)

OpenStudy (falco276):

Medal please. :)

OpenStudy (anonymous):

its not maybe its C

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