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Time since the end of the Triassic geologic period, mass extinction

Time since the end of the Triassic geologic period, mass extinction (201 million y)

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If Time since the end of the Triassic geologic period, mass extinction (201 million y) was a standard unit ...

  • Time since first humans in Australia (50,000 y)...more would be 1/4000 of Time since the end of the Triassic geologic period, mass extinction

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