As your altitude increases within the Earth's atmosphere, air pressure decreases. This is because the density of air decreases as you go higher, leading to fewer air molecules being present in a given volume. The reduction in air pressure can affect various aspects such as breathing, weather patterns, and the operation of aircraft.
As your altitude increases within the Earth's atmosphere air pressure
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and the amount of oxygen
As your altitude increases, the amount of oxygen available in the air also decreases. Although the percentage of oxygen in the atmosphere remains approximately 21% at various altitudes, the overall air pressure drops, resulting in fewer oxygen molecules per breath. This can lead to challenges like reduced oxygen availability for physical activity and can cause altitude sickness in some individuals at higher elevations.
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