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What is the meaning of air pressure?

Answer and explanation

Correct answer: Pressure exerted by air

Air pressure is the force or pressure exerted by the weight of air on the Earth’s surface and on objects around us. Although air cannot usually be seen, it has mass and therefore produces pressure. Air pressure is an important element of climate and weather. Differences in pressure make air move from areas of higher pressure toward areas of lower pressure, and this movement is called wind.

Option B is correct because it directly describes pressure exerted by air. Option A concerns the appearance of the sea, option C describes a soil characteristic, and option D describes the vertical height of a mountain. None of these gives the meaning of air pressure. The supplied answer also appropriately connects air pressure with winds, because pressure differences help produce wind. Therefore, B follows from the definition.

Related tags

Air PressureClimateAtmosphere

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