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Questions and Answers
In which layer of the atmosphere do all changes in climate and weather take place?
At what rate does the temperature decrease in the troposphere with increasing height?
Which layer of the atmosphere is characterized by the presence of the ozone layer?
In which layer of the atmosphere does the temperature rise with increasing altitude?
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Which layer of the atmosphere is characterized by extremely low air pressure?
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Which layer of the atmosphere is characterized by the presence of the ozone layer?
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In which layer of the atmosphere does the temperature rise with increasing altitude?
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Which layer of the atmosphere is characterized by extremely low air pressure?
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In which layer of the atmosphere do airplanes and weather balloons operate?
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Which layer of the atmosphere is characterized by the coldest temperatures in the atmosphere?
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Study Notes
Layers of the Atmosphere
- Climate and weather changes occur in the troposphere.
- In the troposphere, temperature decreases at an average rate of 6.5 degrees Celsius per kilometer of altitude.
Ozone Layer
- The stratosphere is characterized by the presence of the ozone layer, which absorbs harmful UV radiation from the sun.
Temperature Dynamics
- In the stratosphere, temperature increases with altitude due to the absorption of radiation by the ozone layer.
Air Pressure
- The mesosphere is marked by extremely low air pressure as altitude increases.
- The thermosphere also features extremely low air pressure.
Aviation and Weather Balloons
- Airplanes and weather balloons predominantly operate in the troposphere and extend slightly into the stratosphere.
Coldest Temperatures
- The mesosphere is characterized by the coldest temperatures in the atmosphere, often dropping to -90 degrees Celsius at its upper limits.
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Description
Test your knowledge of the Earth's atmosphere layers with this quiz on Class 11 Geography NCERT Solutions Chapter 8. Explore the composition, temperature, and characteristics of the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
