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Dmitriy789 [7]
3 years ago
14

Wegener's theory of continental drift was formulated at a time when evidence for it was lacking. what new evidence was harry hes

s able to add in support of this theory?
Geography
2 answers:
Andrew [12]3 years ago
8 0
The theory of continental drift by Alfred Wegener states that all land masses were originally united in a single supercontinent known as Pangaea (250 million years ago). He shows evidences like continental fit, similarity of rock sequences, glacial till and striations, fossils (cynogathus-land reptile, lystrosaurus-land reptile, mesosaraus-freshwater reptile, glossopteris-fern plant) to support his theory but what was lacking is that it lacked a mechanism to explain HOW the continents moved apart. But Harry Hess, a geologist and Navy submarine commander during WWII <span>brought up a new evidence to add in support of Wegener’s theory: the idea of seafloor spreading and magnetic reversals.</span>



elena-s [515]3 years ago
4 0

The answer you are looking for is  The Earth's mantle moves through convection, showing that tectonic plates are able to glide.


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