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IRT 9 - Mechanical Comprehension Which of the following is a true statement regarding air pressure and temperature, when moving from sea level to the highest mountain top? A Both air pressure and average temperature increase. B Both air pressure and average temperature decrease. C Air pressure increases and average temperature decreases. D Air pressure decreases and average temperature increases.

Ask by Macdonald Cook. in the United States
Dec 17,2024

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Both air pressure and average temperature decrease when moving from sea level to the highest mountain top.

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Bonus Knowledge

As you ascend from sea level to the highest mountain tops, the air pressure actually decreases because there is less air above you to exert pressure. It's a bit like being in a packed elevator that suddenly rises; the higher you go, the fewer people (or air molecules) are pushing down! Meanwhile, the average temperature tends to decrease due to the elevation gain and atmospheric conditions, so you might want to pack a warm sweater! This phenomenon is essential for mountain climbers, who not only need to contend with thinner air that can cause altitude sickness but also with plummeting temperatures! When scaling Everest, for example, adventurers have to be well-prepared for very low temperatures and the physiological effects of decreased oxygen levels. High-altitude training and acclimatization can make the difference between a successful summit and a swift descent back to safer altitudes!

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