Question

Mountaineers wear oxygen mask while climbing high mountains Give Reason?

Answer 1

Answer:

Mountaineers carry an oxygen cylinder along with them. It is because when they climb mountains, as altitude increases, the amount of oxygen level in the atmospheric air decreases as trees are not found at higher altitudes. As a result, mountaineers suffer from dizziness.

Explanation:

Plz mark my answer as brainlist..

Answer 2

Answer:

hope it helps

Explanation:

theres less oxygen the more higher u go.

Mountaineers carry an oxygen cylinder along with them. It is because when they climb mountains, as altitude increases, the amount of oxygen level in the atmospheric air decreases as trees are not found at higher altitudes. As a result, mountaineers suffer from dizziness.

source is wikipedia