Question

why don't jet aircraft fly in the troposphere ​

Answer 1

Answer:

i think it is becoz of absence oxygen

Answer 2

Answer:

Bcos there are only few clouds

Explanation:

Commercial jet aircraft fly in the lower stratosphere to avoid the turbulence which is common in the troposphere below. The stratosphere is very dry; air there contains little water vapor. Because of this, few clouds are found in this layer; almost all clouds occur in the lower, more humid troposphere.