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What event marked the end of the mesozoic era and the beginning of the cenozoic era

(apex answer) - an asteroid impact

User Nicolo
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2 Answers

3 votes

Answer:

An Asteroid Impact

Step-by-step explanation:

"And the dinosaurs were goneee"

- Bill Wurtz

User Frank Ockenfuss
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5 votes

An astroid impact killed off the dinosars which in turn made the first primates evolve.

User HadleyHope
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