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Precambrian is 87.6%

Paleozoic is 7.1%

Mesozoic is 3.9 %

Cenozoic is 1.4 %

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13y ago
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1d ago

The Precambrian era represents about 88% of Earth's age, the Paleozoic era about 7%, the Mesozoic era about 3%, and the Cenozoic era about 2%.

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Q: What percentage of Earth's age does each era represent?
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