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This is used by scientists to measure time and events during earth history

User Gussoh
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This is used by scientists to measure time and events during Earth's history.

Answer : Geologic Time

User Tim Dean
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Answer: Scientists used relative dating and absolute dating.

Step-by-step explanation:

Scientists used absolute dating to determine the actual number of years ago that events happened. They used relative dating to divide Earth's past into several time frames when similar organisms were on Earth.

User Pablo Baxter
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