What causes a high pressure zone of air?

Science
Tutor: None Selected Time limit: 1 Day

 A. Warm water rising from the equator B. Moist air rising from the tropics and causing rainfall C. Dry air descending from the mid-latitudes D. Air being cooled over cool land and then sinking

Apr 9th, 2015

High pressure areas are usually caused by air masses being cooled, either from below (for instance, the subtropical high pressure zones that form over relatively cool ocean waters to the west of California, Africa, and South America), or from above as infrared cooling of winter air masses over land exceeds the warming of those air masses by sunlight.

So the correct answer would be ā€œDā€- Air being cooled over cool land and then sinking


Apr 9th, 2015

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Apr 9th, 2015
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