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The Geologic Time Scale is a chart that divides Earth’s history into different time units

The Geologic Time Scale is a chart that divides Earth’s history into different time units. I. Eons are the longest time units Earth’s history is divided into 4 eons The three earliest eons are called “ Precambrian Time”. Earth’s most recent eon is divided into 3 ERAS:

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The Geologic Time Scale is a chart that divides Earth’s history into different time units

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  1. The Geologic Time Scale is a chart that divides Earth’s history into different time units I

  2. Eons are the longest time units • Earth’s history is divided into 4 eons • The three earliest eons are called “Precambrian Time”

  3. Earth’s most recent eon is divided into 3 ERAS: • Paleozioc– 544 to 245 mya • Mesozoic – 245 – 65 mya • Cenozoic – 65 mya – present Eras can be divided into Periods

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