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"One of New York Times Notable Books for 1997" Walter Alvarez is professor of geology at the University of California, Berkeley.
Sixty-five million years ago, a comet or asteroid larger than Mount Everest slammed into the Earth, inducing an explosion equivalent to the detonation of a hundred million hydrogen bombs. Vaporized detritus blasted through the atmosphere upon impact, falling back to Earth around the globe. Disastrous environmental consequences...
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"Weather has the ability to shape our planet. Floods may alter Earth's landscape suddenly and dramatically. Erosion causes subtle changes over a longer period of time. This book explores some of the most incredible forces on Earth, including extreme weather, erosion, and floods. Students will be amazed at how our planet has changed over billions of years, as well as how it has changed in an instant. Full-color photographs and primary sources highlight...
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"Nova investigates a provocative new theory that suggests the extinction of more than 34 types of large prehistoric mega-creatures, such as the saber-toothed cat and woolly mammoth, was caused not by climate change or the arrival of the first human hunters, but by the massive breakup of a comet over the Great Lakes region at the end of the last Ice Age, some 12,900 years ago."
Author
Language
English
Description
"Weather has the ability to shape our planet. Floods may alter Earth's landscape suddenly and dramatically. Erosion causes subtle changes over a longer period of time. This book explores some of the most incredible forces on Earth, including extreme weather, erosion, and floods. Students will be amazed at how our planet has changed over billions of years, as well as how it has changed in an instant. Full-color photographs and primary sources highlight...
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