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2 votes
Why do mountaineers become breathless as they reach high altitudes

User Tashi
by
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2 Answers

7 votes

because as you rise the pressure increases and the air gets compressed making the oxygen to decrease and go down

User Zubinmehta
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8.1k points
2 votes
There aren't enough oxygen molecules in the air are higher altitudes
User Stoebelj
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