Which convection cell in the atmosphere connects polar jet stream and the subtropical jet stream?

The correct answer is the Ferrel cell.

Explanation:

The cells that are witnessed in the hemisphere comprise polar cells, Ferrell cells, and the Hadley cells. The phenomenon that takes place when there is a difference of density in the body of liquid or gas is known as convection cell, and in the Ferrell cell, the flow of air takes place eastward and pole ward, that is, close to the surface, and westward and equator ward at higher altitudes. This flow of air is opposite to the flow of air in the Hadley cell.

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