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Magnetic Evidence for Seafloor Spreading

Explains how magnetic polarity frozen into seafloor basalts reveals evidence for the creation of new seafloor at mid-ocean ridges.

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Earth Science Earth's Energy and Resources
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    Seafloor Spreading
    Community Contributed
    In this video, Bill Nye explains how seafloor spreading was discovered and the role seafloor spreading played in the development of the theory of plate tectonics.
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