单词:Wegenerian
单词:Wegenerian 相关文章
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There was also the problem, demonstrated by Rutherford and Soddy early in the century, that Earthly elements hold huge reserves of heatmuch too much to allow for the sort of cooling and shrinking Suess suggested. And anyway, if Suess's theory was cor
Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been able to mingle, before the continents had split apart and floated off to their present positions. A