In 1962, who published **'The History of Ocean Basins'**, which outlined the theory of how tectonic plates could move, later called **'sea floor spreading'**?

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1. In 1962, Harry Hammond Hess published a seminal paper titled **'The History of Ocean Basins'**.

2. This work introduced the concept of **sea floor spreading**, which explained how new oceanic crust forms at mid-ocean ridges and moves outward, causing tectonic plates to move.

3. This theory was a crucial advancement in the development of the modern theory of **plate tectonics**.

4. Other options like Alfred Wegener proposed the earlier theory of continental drift but did not publish this work.

**Answer:** Harry Hammond Hess

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