Question

why do mountaineers carry oxygens cylinders with them

Answer 1

Mountaineers carry oxygen cylinders while going to high mountain peaks because altitude increases as they climb the mountain. The amount of oxygen decreases as the altitude increases. ... Therefore some parts of their body do not get sufficient supply of oxygen gas.

Answer 2

Answer:

because in heights there is less oxygen and low pressure so if they don't they will die that is the reason