Free eBooks - Science - Earth Sciences
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6000 years ago, living beings ranging in the hundreds of millions died. The physical evidence is there. Remains litter the Earth - more than 40 million in North America alone. Skeletons are found buried beneath solidified mud or huddled in caves, incompatible species, predators and prey alike, died catastrophically, their limbs and bodies violently torn apart. It is about to happen again. more...