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Composition and Structure of Atmosphere
The features are mentioned as under:
1. It is the lowest layer of the atmosphere.
2. Its average height is about 16 km.
3. In this layer the temperature decreases at the rate of 1°C per 165 m.
4. It is a zone of convection currents.
5. All the weather phenomena take place in this layer.
6. This zone has about 90% of the total water vapour of the atmosphere.
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