In which of the following atmospheric layer, many jet aircrafts fly?
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Stratosphere
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Thermosphere
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Troposphere
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Exosphere
A
Correct answer
Explanation
Commercial jet aircraft typically fly in the lower stratosphere (approximately 9-12 km altitude) because this layer is stable above weather disturbances in the troposphere. The troposphere has weather and turbulence, while higher layers (mesosphere, thermosphere, exosphere) are too thin for conventional flight.