How does partial pressure of oxygen change with altitude?

1 Answer
Bio
Aug 19, 2016

Pressure decreases as altitude increases.

Explanation:

This is true for any gas in equilibrium and not just limited to oxygen. Air at a lower altitude is compressed more due to the weight of a longer column of air above it. Therefore, the pressure will be higher.

This is evident in the fact that air gets thinner at higher places

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