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The top documents tagged [cenozoic recent life]
Warm Up 1/10/08 1. 1. Fossils are the ____. a. oldest layers of rock in a region b. objects that people of long ago left behind as artifacts c. living
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Geologic Time Scale Precambrian — Minimal fossil record Era, Period, Epoch Based on major changes — extinctions, mountain building events
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Geologic Time and Evolution. Earth Has a History Geologic materials record enormous changes. Earth is a complex, evolving system. – Physical and biological
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Earth Systems and Resources
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