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Extinction: How Life on Earth Nearly Ended 250 Million Years Ago
Extinction How Life on Earth Nearly Ended 250 Million Years Ago
Author: Douglas H. Erwin
Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95% of all living species died out--a global catastrophe far greater than the dinosaurs' demise 65 million years ago. How this happened remains a mystery. But there are many competing theories. Some blame huge volcanic eruptions that covered an a...  more »
ISBN-13: 9780691136288
ISBN-10: 0691136289
Publication Date: 4/21/2008
Pages: 320
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Publisher: Princeton University Press
Book Type: Paperback
Other Versions: Hardcover
Members Wishing: 1
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