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social studies jacke
| Question | Answer |
|---|---|
| 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 |