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Practice Reading: Fill in the Blanks (Dropdown)
ID: #46990
German
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In 1912, a German called Wegener declared that all the continents of the world had once been joined together and were now drifting around like giant rafts. His attracted very little interest. In 1915, he published a book on continental drift. No one took it . But the early 1960s, geologists to rea lize that molten rock was seeping up from under the oceans and pushing the continents further away from at a round two and a half centimetres a year.
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