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The top documents tagged [new rock layer]
1 Earths History. 2 Planet Earth is approximately 4.5 X 10 9 years old –Rocks of the crust provide clues to Earths past By analyzing these clues we can
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Earth’s History
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Earth’s History But…there is no book! Oh…rats…. Why do we want to know Earth’s History? Catastrophic Events –If it has happened before, can it happen
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1 Earth’s History. 2 Planet Earth is approximately 4.5 X 10 9 years old –Rocks of the crust provide clues to Earth’s past By analyzing these clues we
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Warm Up – December 6 On a separate piece of paper
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