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.
Help!
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| uniformitarianaisom | a principale that geogicaly process that occured in the past can be explained by current geogilic processes
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| fossil | the trace or remains of an organisom that lived long ago most comminly preserved in sedementary rock
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| trace fossil | a fossilized structure such as a footrpint or a coprolite that formed in sedementary rock by an animal activity om or within soft sediment
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| climate | the weather conditions in an area over a long period of time
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| ice core | a long cylidnaer of ice obtained from drilling through ice caps or ice sheetes used to study past climates
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| relitave dating | any method of determining whether an ebent or object is older or younger than other events or objects
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| superposition | a principal that states that younger rocks lie above older rocks if the layersw have not been distributed
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| uncomformity | a break in the geologic recodf created when rock layers are eroded or when sediment is not depostited for a long peroid of time
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| geologic colllumn | an orderd arrangment of rock layers that is based on the relitive ages of rocks and in wich oldestr riocks are on the bottom
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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