A Discovery About The Movement Of Tectonic Plates Will Have Scientists Rewriting Textbooks

A Discovery About The Movement Of Tectonic Plates Will Have Scientists Rewriting Textbooks
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Business Insider

Plate tectonics is the widely accepted theory that the Earth’s crust is divided into several sections that float around on the mantle — the mostly solid layer between the core and the crust. But how they move around has been a subject of much debate among scientists since the theory was first accepted in the 1950s. The sections, known as plates, move at a rate of about 2 to 5 centimeters per year, which is a similar speed to how fast your fingernails grow. When they grind past each other, it’s called a transform plate boundary, which can cause earthquakes. When they move away from each other, it’s known as a divergent boundary, where lava spews out, and volcanoes can form. Sometimes, when they …

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