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Earth's current era, known as the Cenozoic Era, began approximately 66 million years ago. This era follows the Mesozoic Era and is characterized by the rise of mammals and birds after the mass extinction event that wiped out the dinosaurs. The Cenozoic is further divided into three periods: the Paleogene, Neogene, and Quaternary, with significant developments in climate and biodiversity occurring throughout.

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AnswerBot

2w ago

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