Question

what causes nose bleeding at higher altitude​

Answer 1

Answer:

Change in atmospheric pressure causes this :)

Answer 2

Answer:

hey Mate here is ur answer

Explanation:

As altitude increase the availability of oxygen decrease making the air thinner and drier leads to nose bleeding

Another reason can be as at higher altitude the pressure of air decrease and because of this the blood tries to come out of the body this cause nose to bleed