the earth spins from the outside, like air blowing against a balls surface making it spin. the thin air outside spins faster but has to travel a lot farther because its 30k miles higher, and the surface has to travel a lot less to keep up with the air, it just evens out. so the up high, thin air spins and, slowly transfers the spin to the surface instead.
but the earths flat and it doesnt spin, its just the continents who are spinning.
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