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Earth Interior

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The interior of Earth plays an important role in plate tectonics. Scientists believe it is also responsible for Earthís magnetic field. This field is vital to life because it shields the planetís surface from harmful cosmic rays and from a steady stream of energetic particles from the Sun known as the solar wind.

Article key phrases:

plate tectonics, solar wind, magnetic field, interior of Earth, surface, Sun, planet, life, Scientists

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