because the pressure is high and temperature is low
Yes
I have never known mothballs to cause nose bleeds.
because the pressure is high and temperature is low
Nose bleeds are caused by heat, you blowing your nose too hard, or injured vessels in the nose.
Animals indeed get nose bleeds .It is as common as a human nose bleeds .And most house pets get nose bleeds and some wild animals as well.
See the attached link below. The high altitude compensator opens at high elevation to allow extra air into a set of air bleeds in the carburetor to lean out the fuel mixture.
A nose bleed can happen for several reasons. Dry air, damage to the thin layers of skin inside your nose also high altitude and pressure. The best way to know what the cause or reasoning for your nose bleeds is to consult a doctor. If you notice that in extreme heat or extreme cold you experience nose bleeds typically it would be due to the air quality. Try applying a small thin layer of vaseline or use a nasal spray. If continues, seek doctor or professional help.
are nose bleeds related to radiation vasculitis after radiation of the nasal area
can carbon monoxide poisoning cause nose bleeds
Don't pick your nose.
Dry air, possibly, but being physically dehydrated should not induce nose bleeds.
A human body has approximately 5.5 liters of blood. A nose bleed will at maximum a couple of millimeters of blood. In order to bleed out by nose bleeds, you would need to have thousands of nose bleeds in rapid succession.
It's due to the low pessure there.