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In 3-5 sentences, explain the major developments and events of the Cenozoic Era.

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Answer:

The Cenozoic has seen the extinction of the non-avian dinosaurs and the rise of mankind. It is marked by the Cretaceous-Tertiary extinction event at the end of the Cretaceous period and the end of the Mesozoic Era. This era is the era of new life. Explanation:

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