what is convection??
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Convection is the flow of heat in liquids and gasses or basically fluids.
It is the circular motion that happens when warmer air or liquid — which has faster moving molecules, making it less dense — rises, while the cooler air or liquid drops down.
It occurs when heat is transferred through a gas or liquid by the hotter material moving into a cooler area.
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the process in which heat moves through a gas or a liquid as a hotter part rises and the cooler,heaviest part sink ,know as convection
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