The tectonic plates make up the outer shell of the Earth called the lithosphere and the movement of these plates results in major changes on the planet. For years, scientists have been studying the reason that had led to the creation of these plates in the first place.

An international team of researchers from Hong Kong, China, and the United States have come up with this new hypothesis.

They propose that billions of years ago when the Earth’s outer shell had been newly formed, it grew extremely hot and expanded as a result of the heat. This had then led to cracks and fractures on the shell, making way for modern-day tectonic plates.

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