A rabbit taken from a paddock near sea level and moved to a paddock high on a mountainside would have some trouble breathing. Why?
A) The percentage of oxygen in the air at high elevations is lower than at sea level.
B) The percentage of oxygen in the air at high elevations is higher than at sea level.
C) The partial pressure of oxygen in the air at high elevations is lower than at sea level.
D) The partial pressure of oxygen in the air at high elevations is higher than at sea level.

Question

Quizplus · Accepted Answer

At high elevations, the atmospheric pressure is lower, resulting in a decrease in the partial pressure of oxygen. This reduction in oxygen molecules in the air can make breathing more difficult for animals that are not adapted to high altitude environments.

A Rabbit Taken from a Paddock near Sea Level and Moved