17.1k views
2 votes
Why do mountaineers become breathless as they reach high altitudes

User Tashi
by
5.4k points

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
by
5.3k points
2 votes
There aren't enough oxygen molecules in the air are higher altitudes
User Stoebelj
by
5.6k points