Answered

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Why must a mountain climber at 8,000 feet use more energy to breathe in the same amount of oxygen from the atmosphere?

A. None of these answers are correct.
B. As altitude increases, the air pressure increases and there are fewer oxygen molecules in a given volume.
C. As altitude increases, the air pressure decreases and there are fewer oxygen molecules in a given volume.
D. As altitude increases, the air pressure increases and there are more oxygen molecules in a given volume.

Sagot :

GinnyAnsweridn

Final answer:

Mountain climbers at higher altitudes use more energy to breathe due to decreased air pressure and oxygen molecules.


Explanation:

As altitude increases, the air pressure decreases, and there are fewer oxygen molecules in a given volume. This means that at higher altitudes, mountain climbers need to use more energy to breathe in the same amount of oxygen from the atmosphere due to the lower oxygen concentration.


Learn more about Effects of altitude on oxygen availability here:

https://brainly.com/question/43637568


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