Question

why we do not feel comfortable on the top of mountains​

Answer 1

Possibly, but if you're up in the mountains, you're more likely experiencing altitude sickness. When you travel to a place above about 8,000 feet, your body starts telling you there's something seriously wrong with the air up there. The “thin” air at high altitudes has considerably less oxygen and pressure.

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Answer 2

Answer:

We feel uncomfortable on the top of mountains because of the low air pressure because of which we are not able to breathe properly...