Question

why do mountaineers usually suffer from nose bleeding at high altitude​

Answer 1

Answer:

Climbing high

Nosebleeds can be caused by being up in a very high altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed

Answer 2

Answer:

$\huge \star \bold \purple{heya \: mate}$ ‿★࿐

Climbing high

Nosebleeds can be caused by being up in a very high altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed.