What is Atmospheric Pressure?
Atmospheric pressure is the force exerted by the weight of air in Earth’s atmosphere. It plays a crucial role in weather patterns, human health, and scientific measurements.
Causes of Atmospheric Pressure
Gravity pulls air molecules toward Earth, creating pressure. Variations occur due to altitude, temperature, and weather conditions.
Effects on Weather and Health
Changes in pressure influence storms, winds, and precipitation. For humans, it can affect breathing and altitude sickness.
Frequently Asked Questions
How is atmospheric pressure measured?
It is measured using barometers, commonly in units like Pascals or inches of mercury.
Why does pressure decrease with altitude?
Higher altitudes have fewer air molecules, reducing pressure.
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