1.

Aeroplanes usually fly in the stratosphere because

Answer»

of the presence of ozone layer.
of the atmosphere being turbulent.
of the DECREASE in temperature with altitude.
of the ABSENCE of CONVECTION current.

Solution :AEROPLANES fly in the stratosphere DUE to the absence of convection current. Because the temperature gradually increases with increases with increase in altitude due to the absorption of highly energetic UV radiations. Since there is no turbulence in the atmosphere of the stratosphere, aeroplanes usually fly in the stratosphere.


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