The protocontinent of the Southern Hemisphere, a hypothetical landmass that according to the theory of plate tectonics broke up into India, Australia, Antarctica, Africa, and South America.
冈瓦纳大:南半球一块假定性的大,根据地壳构,这块大分离成,大利亚,南极洲,非洲和南美洲
The protocontinent of the Southern Hemisphere, a hypothetical landmass that according to the theory of plate tectonics broke up into India, Australia, Antarctica, Africa, and South America.
冈瓦纳大:南半球一块假定性的大,根据地壳构,这块大分离成,大利亚,南极洲,非洲和南美洲
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