Which layer of the atmosphere do aeroplanes fly in?
A
Exosphere
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B
Mesosphere
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C
Thermosphere
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D
Troposphere
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Solution
The correct option is D Troposphere Most of the aeroplanes fly in the troposphere. It extends up to approximately 11 km above sea level. The exosphere is the outermost layer of the atmosphere and extends into outer space. The Mesosphere extends upto 85 km above sea level while the Thermosphere extends upto 1000 km above sea level.