Question

what is convection what what what ?


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Answer 1

Answer:

Convection is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock. Convection includes sub-mechanisms of advection, and diffusion. Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place.

Answer 2

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The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder,dense material to sink under the influence of gravity, which consequently result in transfer of heat.

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