Which option lists the altitude range for the troposphere as latitude varies?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which option lists the altitude range for the troposphere as latitude varies?

Explanation:
The key idea is that the top of the troposphere, the tropopause, changes with latitude. It’s lower toward the poles and higher near the equator, so the troposphere can extend from roughly 20,000 feet at high latitudes to about 60,000 feet near the equator. That means the range 20,000 to 60,000 feet best represents how thick the troposphere can be as latitude varies. Other ranges either miss the lower polar height or go well above typical tropopause heights.

The key idea is that the top of the troposphere, the tropopause, changes with latitude. It’s lower toward the poles and higher near the equator, so the troposphere can extend from roughly 20,000 feet at high latitudes to about 60,000 feet near the equator. That means the range 20,000 to 60,000 feet best represents how thick the troposphere can be as latitude varies. Other ranges either miss the lower polar height or go well above typical tropopause heights.

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