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Polar air is denser because it is colder.

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12y ago

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What makes less dense air come from the equator?

Air becomes more or less dense relative to its temperature. Cold air is denser than warm. Since the equatorial region is tropical, the air will be warmer and less dense.


Why is air pressure generally lower over equatorial regions than over polar regions?

because hot air is less dense than cold air therefore when air becomes less dense its air pressure decreases.See the link for more information.http://www.mhhe.com/earthsci/geology/mcc…


Where is the air in your atmosphere more dense?

In the mesosphere, the air is more dense.


Which is normally more dense dry air or humid air?

Humid air is more dense.


If the volume of air is less then the less dense or more dense the air is?

its has more pressure


What is more dense helium gas or air?

air is more dense than helium


Is lead more dense than air?

Lead is more dense than air.


Which air mass is the least dense?

Warm air is less dense than cool air masses because of their density levels.


Is cool air dense?

No it is more dense than hot air


Is cold air more or less dense compared to warm air?

Cold air is more dense than warm air.


Which is more dense air saturated with water vapor or air unsaturated with water vapor?

Saturated air is more dense.


Why does air rise at the equator but sink at the poles?

The Earth tilts on its axis which causes major differences to the amount of light that reaches the poles and extremes of Northern and Southern latitudes. The equatorial region is virtually unaffected by the seasonal tilt of the Earth and as such receives a large amount of light all year round.Due to this the polar regions are significantly colder than the equatorial regions.When a substance is heated the particles of that substance receive more kinetic energy; move more rapidly; move further apart; and therefore expand. When substances expand like this there are less particles per unit area and therefore the substance becomes less dense.A less dense substance will float on top of a more dense substance.Air is heated at equatorial regions and therefore rises due to decreased density.Air is cooled at polar regions and therefore sinks due to increased density.