Explain the factors which affect atmospheric pressure.
Answers
Answer:
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Explanation:
1)The 3 main factors that affect barometric (air) pressure are:
Temperature
Altitude or Elevation.
Moisture ow water vapour
2) 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:
Factors affecting Atmospheric
Pressure Altitude
Atmospheric pressure decreases with height or altitude. The atmospheric pressure is highest at sea level. This is because at great heights the air is thinner or less dense than the at the sea level.
Temperature
Atmospheric Pressure decreases with increase in temperature. When temperature rises air expands molecules move apart(becomes less dense) and hence exert less pressure.