Atmosphere of the earth is made up of different spheres. in which part of atmosphere commercial air craft usually fly: April 2, 2021 / By Preparation Point / Combined Competitive Examination Paper 2013 Mcqs SPSC Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn Thermosphere Stratosphere Troposphere Mesosphere 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. Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn