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The range of temperature in mesosphere is ________

(a) below 130K

(b) below 140K

(c) below 110K

(d) below 120K

This question was posed to me in an international level competition.

My doubt is from Vertical Development of Air topic in section Atmosphere and Air Data Measurement of Aircraft Performance

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Right choice is (a) below 130K

To explain I would say: The range of temperature in mesosphere is below 130K. It starts at the top of stratosphere and ends at mesopause. It is the coldest part of earth’s atmosphere. It is usually around 85 to 100 kilometers.

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