Mountaineers carry oxygen cylinder with them because there is less a

1.	Mountaineers carry oxygen cylinder with them because there is less amount of oxygen in the air at the top of mountains
Answer» ONG>Answer: MOUNTAINEERS carry oxygen cylinder with them because The air USUALLY becomes THINNER to breathe when going to HIGH altitudes. Hence the oxygen levels would have gone down

Mountaineers carry oxygen cylinder with them because there is less amount of oxygen in the air at the top of mountains

Answer» ONG>Answer:

MOUNTAINEERS carry oxygen cylinder with them because

The air USUALLY becomes THINNER to breathe when going to HIGH altitudes. Hence the oxygen levels would have gone down