Atmosphere of the earth is made up of different spheres. in which part of atmosphere commercial air craft usually fly:

Atmosphere of the earth is made up of different spheres. in which part of atmosphere commercial air craft usually fly:

زمین کا ماحول مختلف شعبوں سے بنا ہے۔ فضا کے کس حصے میں کمرشل ہوائی جہاز عموماً اڑتے ہیں
Explanation

The atmosphere is comprised of layers based on temperature. These layers are the

troposphere

stratosphere

mesosphere 

thermosphere

A further region at about 500 km above the Earth's surface is called the exosphere.