Stack #200756
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| a principle that states that geologic processes that occured in the past can be explained by the current geologic process | show 🗑
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| a principle that states that geologic changes occurs suddenly | show 🗑
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| show | paleontology
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| any method of determining whether an event or object is older or younger than other events or objects | show 🗑
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| a principle that states that younger rocks lie above older rocks if the layers have not been disturbed | show 🗑
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| show | geologic column
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| a break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time | show 🗑
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| show | ablolute dating
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| show | isotope
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| show | radioactive decay
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| a meathod of determining the age of an obect | show 🗑
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| show | half life
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| show | fossil
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| a fossilized mark that is formed in soft sediment | show 🗑
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| a mark or cavity made in a sedimentary surface | show 🗑
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| show | cast
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| show | index fossils
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| is a scale that divides Earth’s 4.6 billion–year history into distinct intervals of time. | show 🗑
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| The largest divisions of geologic time | show 🗑
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| show | four eons
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| a peiriod of time | show 🗑
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| show | period
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| show | epoch
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| show | extinction
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Created by:
riosjacob
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