Nitrogen and Oxygen are the two main gases of the atmosphere. Ankittyagi5490 ankittyagi5490 11092020 Social Sciences Secondary School answered Describe the structure of the atmosphere. Nws Jetstream Layers Of The Atmosphere They are troposphere stratosphere mesosphere thermosphere and exosphere. . Troposphere It is the most important layer of the atmosphere and it extends up to 13km from the surface of the Earth. 1 See answer ankittyagi5490 is waiting for your help. We call this region the homosphere. The upper layers press down the lower one. The atmosphere is an integral part of the earth surrounding it from all sides extending up to about 1600 kilometers from the earths surface. The atmosphere is divided into five layers beginning from the surface of the Earth. Stratosphere is found just above the troposphere. Vertical Structure of Composition 80km up to 500km Heterosphere Homosphere Dominated by lighte...