Question

Fill in the blanks.
1. About 99 per cent of the total mass of the atmosphere is fou
km of the Earth's surface.
2. The radiation of heat energy from the Earth's surface
Straipena
3. The upper boundary of the stratosphere is called still
4. ............ clouds are formed of frozen water vapour.
5. The atmospheric layer, which helps in wireless communic
Answer the following questions in one or two sentenc
1. Where is the density of the atmosphere highest? Why?
2. Write a brief note on the temperature conditions in the tr
3. How is the atmosphere heated?​

Answer 1

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