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New World Continents & Land Bridges: North and South America
New World Continents Land Bridges North and South America Author:Bruce McClish The Americas -- Introducing North America -- North America: landforms -- North America: climate, plants and animals -- North America: history and culture -- Introducing South America -- South America: landforms -- South America: climate, plants and animals -- South America: history and culture -- Continental connections and plate tectonics -- L... more »and bridges: the narrow link -- Land bridges: dropping seas.« less