History, 13.11.2020 22:50 giovannymarvez16

How do scientists decide on the eras and periods they use to divide up geologic time? What is geologic time and how is it different from how we normally imagine time in our own lives? Where do we seem to know the most about Earth’s history?

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How do scientists decide on the eras and periods they use to divide up geologic time? What is geolog...