What is Atmospheric Pressure?
Atmospheric pressure is the force exerted by the weight of air in the Earth’s atmosphere. It plays a crucial role in weather patterns, human health, and various scientific applications.
Key Causes of Atmospheric Pressure
Gravity pulls air molecules toward the Earth, creating pressure. Variations occur due to altitude, temperature, and weather conditions.
Effects on Weather and Health
Changes in atmospheric pressure influence storms, winds, and precipitation. It also affects oxygen levels, impacting breathing at high altitudes.
Frequently Asked Questions
How is atmospheric pressure measured?
It is measured using a barometer, commonly in units like Pascals or inches of mercury.
Why does pressure decrease with altitude?
As altitude increases, air density and molecular weight decrease, reducing pressure.
For a detailed scientific define atmospheric pressure, explore our comprehensive guide.
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