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What was the year of Tharp's important Mid-Atlantic Ridge discovery?

1960
1961
1962
1963

Answer

In 1960, Marie Tharp made a significant discovery when she created the first map of the Mid-Atlantic Ridge. This discovery showed that the Earth's crust was not smooth, but instead had a series of ridges and valleys. This discovery helped to support Theory of plate tectonics, which states that the Earth's crust is made up of a number of plates that move around on top of the mantle.