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4 Cards in this Set
- Front
- Back
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INTRUSION |
when magma cools underneath the rocks surface |
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EXTRUSION |
when lava cools on the earths surface |
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UNIFORMITARIANISM |
the process shaping earth today such as erosion, also shaped earth in the past, and that these processes cause large changes over geologic time |
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RELATIVE AGE |
the age of an event or an object in relation to other events |
