| Question | Answer |
| Relative Dating | any method of determining whether an event or object is older or younger than other events or objects |
| Superpostition | a principle that states that younger rocks lie above older rocks if the layers have not been disturbed |
| Geologic Column | an ordered arrangement of rock layers that is based on the relative ages of the rocks and in which the oldest rocks are at the bottom |
| Unconformity | a break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time |
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Spanish 3
