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The lithosphere is divided into a number of tectonic plates that are continuously being created or consumed at plate boundaries. Accretion occurs as mantle is added to the growing edges of a plate, associated with seafloor spreading. … Mantle convection causes tectonic plates to move around the Earth’s surface. WhatRead More →

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Rip currents can occur anywhere you have breaking waves, like large sandy beaches on the open ocean. But they can also occur where you have hard structures, like jetties, or piers, or even rocks jutting out into the ocean. Are rip currents common in Florida? Rip currents, sometimes called ripRead More →