What is the altitude range of the Exosphere?

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Prepare for the Higher Geography Exam focusing on the Atmosphere. Study with multiple choice questions, receive hints and explanations for each question. Equip yourself for success!

Multiple Choice

What is the altitude range of the Exosphere?

Explanation:
The exosphere is the outermost part of Earth’s atmosphere, where the air is extremely thin and particles can escape into space. Its lower boundary is around 600–700 km above the surface, and it gradually blends into space with no fixed upper limit. Because of this, the altitude range is best described as beyond about 600 km. The other options correspond to much lower atmospheric layers, far inside the troposphere/stratosphere/mesosphere, not the exosphere.

The exosphere is the outermost part of Earth’s atmosphere, where the air is extremely thin and particles can escape into space. Its lower boundary is around 600–700 km above the surface, and it gradually blends into space with no fixed upper limit. Because of this, the altitude range is best described as beyond about 600 km. The other options correspond to much lower atmospheric layers, far inside the troposphere/stratosphere/mesosphere, not the exosphere.

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