Verified Answer :

scouteo

The correct answer is C) thermal gradient and changes in density

What is necessary for a convection cell to be set up in a fluid is thermal gradient and changes in density.

We are referring to fluid dynamics. A convection cell is present when a fluid is warmed and loses density. When density difference exits within a body of gas or liquid, we are talking about a convection cell. This is a cycle that repeats and it forms a pattern of motion. The blowing of the wind is a by-product of convection cells in the atmosphere.  

ayfat23

The option that explains requirements that is needed as regards the setting up a convection cell, using a fluid is : C: thermal gradient and changes in density.

  • In fluid dynamics, a convection cell can be regarded as a phenomenon which takes place, where there is a differences in the density of body of fluid.

  • These fluid could be a liquid or gas, the difference in density brings about rising or falling currents, and this is considered as key characteristics of a convection cell.

Therefore, option C is correct.

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