第106篇Early Theories of Continental Drift

第106篇Early Theories of Continental Drift-kingreturn
第106篇Early Theories of Continental Drift
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Early Theories of Continental Drift

The idea that the past geography of Earth was different from today is not new. The earliest maps showing the east coast of South America and the west coast of Africa probably provided people with the first evidence that continents may have once been joined together, then broken apart and moved to their present positions.

 

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