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(Q002) The typical convection cell movement in the atmosphere means thatGroup of answer choicescool air close to the equator rises.rising air warms and compresses.cooled air spreads north and south, and its moisture condenses out in latitude zones between 20° and 30° N and S.cooled, sinking air absorbs moisture from the area below.

Question

(Q002) The typical convection cell movement in the atmosphere means thatGroup of answer choicescool air close to the equator rises.rising air warms and compresses.cooled air spreads north and south, and its moisture condenses out in latitude zones between 20° and 30° N and S.cooled, sinking air absorbs moisture from the area below.

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Solution

The typical convection cell movement in the atmosphere involves several steps:

  1. Warm air near the equator rises. This is because warm air is less dense than cool air, causing it to rise above the cooler air.

  2. As the air rises, it cools and expands. This is due to the decrease in atmospheric pressure at higher altitudes.

  3. The cooled air then spreads north and south towards the poles.

  4. As the air cools further, its moisture condenses out, often resulting in precipitation. This typically occurs in latitude zones between 20° and 30° N and S, known as the horse latitudes.

  5. The now dry, cool air descends, and as it reaches the surface, it warms and absorbs moisture from the area below, before being heated near the equator and rising again.

This continuous cycle of heating, rising, cooling, and sinking is what drives the global atmospheric circulation, also known as the convection cell movement.

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