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Precambarian- When earth’s atmosphere formed

Mesozoic- Ended with a massive impact

Paleozoic- When oxygen-breathing organisms first thrived

Cenozoic- Began about 65 million years ago

Hope this helps! :)

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Twitter PrcWrld

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3y ago
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Wiki User

9y ago

What happened during which era

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Twitter PrcWrld

Lvl 1
3y ago
Precambrian- When Earth’s atmoshpere formed

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SARAH TREVINO

Lvl 2
2y ago

Precambrain- when earth formed

Mesozic- the age of dinosaurs

Paleozoic- When most of our limestone and coal formed

Cenozoic- the era of hmans

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Bob Turn

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1y ago
Thank you!
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