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प्रश्न
What is known as troposphere?
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उत्तर
Troposphere is the lowest and densest layer of atmosphere touching the land surface. It extends from 8km to 18 km. in height
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संबंधित प्रश्न
Explain the importance of carbon dioxide for (a) photosynthesis (b) warming the earth’s environment. State what would happen if excess carbon dioxide as a pollutant is released into the atmosphere.
Fill in the blank
______ per cent of the atmosphere is made of nitrogen.
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
What is the difference between the troposphere and the tropopause?
What is an important feature of Stratosphere?
Mountaineers carry oxygen in cylinders when they climb mountains that are more than 5000 m high. What could be the reason for that?
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
If there is no atmosphere, what will be the condition of the earth?
The air envelope is thicker near the earth’s surface and we go higher the density and availability of air gradually decreases. Why?
