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7 янв 1962 г. - Harry H. Hess

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Harry Hess created the theory of sea floor spreading. He discovered that the ocean was shallow in the middle and called it Mid Ocean Ridges.

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Tectonic Plates Timeline: Kyle Klodnick

ByKyle Klodnick

11 янв 2018

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7 янв 1962 г.

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~ 62 г назад

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