What is the theory of tectonic plates?

Plate tectonics is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century.

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d. hip hop

it was originated in the 70s while the harlem renaissance occured in the 1920s