Seafloor spreading is the creation of new oceanic crust at divergent plate boundaries, such as mid-ocean ridges, resulting in the expansion of ocean basins.
Seafloor spreading is the process by which new oceanic crust is formed through volcanic activity at divergent plate boundaries, such as mid-ocean ridges. This movement of lithospheric plates away from the ridges results in the creation of new seafloor and the expansion of ocean basins.
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