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3 votes
2 Questions

Why is the geologic time scale used to show Earth's history?
What methods did geologists use when they first developed the geologic time scale?

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User Breaktop
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2 Answers

2 votes
It is used to shows earths history to show and teach and tell everybody there past and hirstory
answered
User Ljacqu
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4 votes
It is used in the earth’s history because it shows how old the earth in general. Geologist would use rocks layers to study on to see how old it is.
answered
User Shahzad Barkati
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8.9k points
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