convection current - a circular flow of air, rock, or water created by denser materials sinking and warmer materials rising, Salinity - a measure of how salty something is, Upwelling - a process by which cold, nutrient rich water from the ocean floor rises to the surface, Gulf Stream - a warm water current that travels from Western Africa to Eastern North America, Coriolis effect - an apparent curving of materials that are traveling along a rotating surface, Gyre - a large, circular, swirling ocean current, Great Pacific Garbage Patch - a large patch of garbage trapped in the center of the Pacific Ocean gyre, Ocean current - a streamlike movement of ocean water in a regular pattern,

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