Question

3. State the role of air temperature and moisture content of the air as factors influencing atmospheric pressure​

Answer 1

Answer:

The 3 main factors that affect air pressure are:-

Temperature

Altitude or Elevation

Moisture or water vapour

Because of the compression, the lower layer of the atmosphere are denser and heavier than the upper layer, which are lighter and expansive. The average air pressure at sea level is high, but it goes on declining as the elevation increases. For every 900 feet of altitude, air pressure falls by 1 inch. Gravitational force of the Earth is mainly responsible for the decreasing air pressure with increasing altitude.

Answer 2

The water vapor molecules don't travel far after a collision, so they collide more frequently. Therefore, as humidity increases (more water vapor in the air), air pressure decreases, and as humidity decreases, air pressure increases.

Explanation:

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