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5 Cards in this Set
- Front
- Back
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uniformitarianism
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things that happened a long time ago also happen today
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law of superposition
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oldest rocks are on bottom
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principle of cross-cutting relationships
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if a fault or magma cut through rock, the fault or magma is younger than the rock
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law of horizontality
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sediments are laid down in horizontal layers
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fossil
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remains or traces of prehistoric life
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