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The Cambrian explosion occurred about 540 million years ago. Express tht time n scientific notaion

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter20: Astrobiology: Life On Other Worlds

Section: Chapter Questions

Problem 2P: If you represent Earth’s history by a line 1 m long, how long a segment would represent the 400...

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The Cambrian explosion occurred about 540 million years ago. Express tht time n scientific notaion

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If you represent Earth’s history by a line 1 m long, how long a segment would represent the 400 million years since life moved onto the land? How long a segment would represent the 4-million-year history of human life?
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