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Geologic Time Quiz

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Questions and Answers

What is the largest time unit in geologic time?

Eras

Epochs

Eons (correct)

Periods

Which eon encompasses 88% of geologic time?

Archaen

Hadean

Proterozoic

Precambrian (correct)

When did geologists start to divide Earth's history into time units?

1820

1805

1795 (correct)

1810

What is the least known about era in geologic time?

<p>Hadean</p> Signup and view all the answers

What is the record of the Earth's history based on?

<p>Rock layers and fossils</p> Signup and view all the answers

Geologic Time Quiz

Choose a study mode

Podcast

Questions and Answers

What is the largest time unit in geologic time?

Which eon encompasses 88% of geologic time?

When did geologists start to divide Earth's history into time units?

What is the least known about era in geologic time?

What is the record of the Earth's history based on?

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