Answer:
The indigenous peoples of the Americas arrived in North America via the Bering Strait land bridge, which existed approximately 15,000 years ago between Siberia and Alaska, and probably also via a succession of sea migrations from Asia.
Im not sure what you mean but, <span>Plate tectonics is the theory that the outer rigid layer of the earth (the </span>lithosphere) is divided into a couple of dozen "plates" that move around across the earth's surface relative to each other, like slabs of ice on a lake. the theory can best be described as <span>earth's natural process by which its lithospheric plates slowly move about because of movement in the asthenosphere. </span>
True........................................
The answer is D.sovereign nation
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