Question

why is the density of air greater at sea level,but air i
s thinner on the mountain​

Answer 1

Answer:

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Answer 2

Answer:

As altitude rises, air pressure drops. ... As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level. This is what meteorologists and mountaineers mean by "thin air." Thin air exerts less pressure than air at a lower altitude.