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A Brief History of Geologic Time

By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life’s history. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the Geologic Time Scale.

English
  • Originally Aired November 6, 2017
  • Runtime 10 minutes
  • Content Rating United States of America TV-G
  • Network YouTube
  • Created February 16, 2018 by
    Administrator admin
  • Modified February 16, 2018 by
    Administrator admin