Question

what happened at this point?

warm air is rising.

cool air is sinking.

there is a difference in air pressure.

cool air is less dense than warm air.​

Answer 1

Answer:

COOL AIR IS DENSER THAN WARM AIR

AS COOL AIR SINKS , SO IT'S DENSITY IS GREATER

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Answer 2

At the different conditions following things will happen :

Explanation:

1. warm air is rising. -  If warm moist air rises, it will expand and cool. As it cools, the relative humidity will increase and water will condense. It can then fall back to the earth as precipitation.

2. cool air is sinking. - Sinking air compresses and heats. As air sinks, air pressure at the surface is raised. Cold air holds less moisture than warm.

3. there is a difference in air pressure. - A difference in pressure across a surface then implies a difference in force, which can result in an acceleration according to Newton's second law of motion, if there is no additional force to balance it. The resulting force is always directed from the region of higher pressure to the region of lower pressure.

4. cool air is less dense than warm air.​ -  Colder air moves slower, collects together, and sinks with higher density.