posted by Anonymous .
How did land bridges form?
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3. (Wiki answer): http://wiki.answers.com/Q/Who_created_the_Beringia_land_bridge
4. (this takes time to load): http://www.britannica.com/EBchecked/topic/61935/Bering-Land-Bridge
5. (here to the upper right, you can search the Web): http://charities.everyclick.com/search?keyword=What%20Is%20a%20Land%20Bridge