Which of the following describes the amount of oxygen inhaled in a single breath at the 500 hPa level, compared to that inhaled at sea level?
A)The amount is about the same.
B)The amount is about three-quarters.
C)The amount is about one-quarter.
D)The amount is about one-half.

Question

Quizplus · Accepted Answer

At the 500 hPa level, the atmospheric pressure is about half of that at sea level, which means the amount of oxygen inhaled in a single breath is also about half.

Which of the Following Describes the Amount of Oxygen Inhaled