What are the five eras in Earth's history?

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Jack L. Share
Feb 5, 2018

Answer:

Paleozoic, Mesozoic, and Cenozoic

Explanation:

Paleozoic Era - "ancient life" (such as trilobites).
Mesozoic Era - "middle life" (such as dinosaurs).
Cenozoic Era - "recent life" (such as mammals and flowering plants).

There are only 3 commonly accepted eras.

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