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what was the land bridge theory
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what changes occurred after agriculture was developed
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social studies jacke

QuestionAnswer
what was the land bridge theory there was a bridge of ice conneting asia and north amrica
what changes occurred after agriculture was developed people didn't have to be nomads any more
what is migrtion movement of people and animals
what did the mayan contribute to society that we still use today a counting sytom that had the number zero
what is an artifact an object that people made
Created by: maggie101
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