Question

at a higher altitude due to the lack of atmospheric pressure the boiling point of a substance​

Answer 1

Answer:

boiling temp is the temp at which atmospheric pressure is equal to vapour pressure

since at higher altitude atmospheric pressure will be lower , boiling temp will decrease .

Answer 2

Answer:

Decrease

Explanation:

  we know that boiling point is the temperature at which vapor pressure of liquid becomes equal to atmospheric pressure

as we go higher the atmospheric pressure decrease that's why boiling point also decrease