The Columbian Exchange - North Carolina Digital History - 5 views
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Liz Thornton on 10 May 11Topics discussed in article include: disease, crops, animals, culinary cuisine
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Mirasol Rangel on 10 May 12Geologists believe that between 280 million and 225 million years ago, the earth's previously separate land areas became welded into a landmass called Pangaea. About 120 million years ago, they believe, this landmass began to separate. As this happened, the Atlantic Ocean formed, dividing the Americas from Africa and Eurasia.