Question

How was the theory of plate tectonics developed?

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Answer 1

It was developed by Alfred Wegener around 1912-1915 time frame. He proposed his theory of the "continental drift". He proposed that the continents plowed through crust  of ocean basins. He said that the continents look like a puzzle piece to put together. It's very interesting.

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Answer 2

Developed from the 1950s through the 1970s, plate tectonics is the modern version of continental drift, a theory first proposed by scientist Alfred Wegener in 1912. Wegener didn't have an explanation for how continents could move around the planet, but researchers do now.