1. All vital atmosphere process leading to various climate and weather conditions take places in the troposphere.
2. Troposphere, tropopause, stratosphere, ionosphere is the sequence represents correctly the different atmosphere layers from the earth’s surface.
3. The mesosphere extended above the earth’s surface is up to 85 km.
4. Sun radiation reflected or absorbed by atmosphere.
5. The second most important layer of the earth atmosphere is Stratosphere.

Click for complete file of 300 MCQs