Question

Why it is advisable to use pressure cooker at high altitude for cooking food?

Answer 1

That is right it is more than a vantage at a higher altitude to cook do to the increase in pressure at the higher altitude, which increases the ability of the pressure with low pressure air at that altitude.

Answer 2

Because when you are at a high altitude there is a major pressure increase and there is less air the higher elevated you go. A pressure cooker will help properly cook foods at high altitudes.