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| #2057438 in Books | Peter D Ward | 2002-08-15 | Original language:English | PDF # 1 | 8.78 x.71 x5.74l,.94 | File type: PDF | 320 pages | Rivers in Time The Search for Clues to Earth s Mass Extinctions||1 of 1 people found the following review helpful.| The Author Reviews the Great Extinction Events of the Past to Define the Present One|By J. Canestrino|In Rivers in Time: The Search for Clues to Earth's Mass Extinctions, the author, Peter Ward, describes the great mass extinctions over the last 500 million years of the Earth's history. Surprisingly, the most devastating was not the Cretaceous-Tertiary (K/T) extinction 65 milli
Several times in the distant past, catastrophic extinctions have swept the Earth, causing more than half of all species―from single-celled organisms to awe-inspiring behemoths―to suddenly vanish and be replaced by new life forms. Today the rich diversity of life on the Earth is again in grave danger―and the cause is not a sudden cataclysmic event but rather humankind's devastation of the environment. Is life on our planet teetering on the brink of another mass exti...
You can specify the type of files you want, for your device.Rivers in Time | Peter Ward. I really enjoyed this book and have already told so many people about it!
