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unit 4.1&4.2

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
uniformitarianism   show
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show the trace or remains of an organism that lived long time ago, most commonly preserved in sedimentary rock  
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trace fossil   show
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show the weather condidtions in an area over a long period of time  
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show a long cylinder of ice obtained from drilling through ice caps por ice sheets: used to study past climate  
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show layers in ice cores  
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show any method or detemining wheather an event or object is older tor younger that other object  
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superposition   show
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show a break in the geologic record created when rock layers are eroded o when sediment is not deposeted for e period of time  
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geologic column   show
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