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Origins of Life
by Robert M. Hazen
Available on:
Audio Download | Audio CD | Audio Cassette | DVD | Video Cassette (VHS)
Four billion years ago, the infant Earth was a seething cauldron of erupting volcanoes, raining meteors, and hot noxious gases, totally devoid of life. But a relatively short time later—100 to 200 million years—the planet was teeming with primitive organisms. What happened?
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