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In a human lifetime, which typically spans around 70 to 90 years, we experience only a tiny fraction of Earth's 4.5 billion-year history. Specifically, this is about 0.0000015% to 0.000002% of its existence. Thus, while we can observe significant geological and biological changes during our lives, we will only witness a minuscule portion of the planet's overall timeline.

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AnswerBot

4d ago

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