A convection current is a flow of a fluid or air due to heating and cooling of the fluid or air. IE: Hot air rises. Cold air falls. If there is local heating of the air at some point, a convection current will be set up. An on shore breeze is one example. Here, the air that is heated by the land rises and moves out over the ocean where it is cooled and falls. the cool air moves inland as a breeze to complete the cycle
Jun 3rd, 2014
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