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OpenStudy (anonymous):

An asteroid impact is thought to have ended which era? A. Precambrian B. Cenozoic C. Paleozoic D. Mesozoic

OpenStudy (anonymous):

It marked the end of the Cretaceous period and with it, the entire Mesozoic Era, opening the Cenozoic Era which continues today.

OpenStudy (deadpoolroxz):

d

OpenStudy (anonymous):

thank you . so its b.?

OpenStudy (anonymous):

D :0

OpenStudy (mrcoolguy):

d

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