The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
<span>Characteristics of "place" include things like economic activity, architecture, and culture, all of which are human elements that alter or can be influenced by the environment.
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