Which of the following comparisons between air at sea level and at the top of Mount Everest is false?
A) The total pressure of air is lower at the top.
B) The pressure of oxygen is lower at the top.
C) The relative amount of oxygen as a fraction of air is lower at the top.
D) The air temperature is generally lower at the top.
E) The pressure of nitrogen is lower at the top.

Question

Quizplus · Accepted Answer

The relative amount of oxygen as a fraction of air remains constant regardless of altitude; it is the total pressure that decreases, leading to lower partial pressures of all gases, including oxygen.

Which of the Following Comparisons Between Air at Sea Level