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Geography

What is atmospheric pressure? What are the causes for the variations in the atmospheric pressure?

Weather & Climate

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Answer

The atmosphere exerts its weight as pressure on the earth's surface. This is called atmospheric pressure.

The variations in the atmospheric pressure on the earth's surface is due to:

  1. Temperature of the air
  2. Density of the air
  3. Height of a place above the mean sea level
  4. Amount of moisture present in the air.

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