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प्रश्न
State any three characteristics of the stratosphere
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उत्तर
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The main characteristics of stratosphere are:
(a) There are no clouds or weather changes so it is safe for air travel.
(b) It extends from the top of troposphere up to 50 km above the surface of earth.
(c) This layer has a band of ozone gas which protects us from sun’s harmful ultraviolet rays.
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संबंधित प्रश्न
How are clouds formed?
Demonstrate the formation of convective currents.
What would happen to the earth if the atmosphere disappeared?
Fill in the blank
The rate at which the temperature drops in the ____________ is 1°C per 165 metres.
Choose the correct answer.
21 per cent of the atmosphere is composed of
Write True or False.
CFCs and BFCs protect the ozone layer.
What is the difference between the troposphere and the tropopause?
Why is the thermosphere important?
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
What is responsible for causing a hole in the ozone layer?
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
What are clouds made of?
The study of weather is called ___________.
All weather changes occur in the Troposphere.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
The Limit of Clouds is upto ______.
Atmosphere is divided into ______ different layers.
______ is the lowest layer of the atmosphere.
The ozone layer protects all life on earth from the harmful ______ rays of the sun.
Highly reactive gas was later names ‘oxygen’ by ______.
