Advertisements
Advertisements
प्रश्न
What is responsible for causing a hole in the ozone layer?
Advertisements
उत्तर
The release of a large number of CFCs or chlorofluorocarbons and BFCs or bromofluorocarbons by industries are responsible for the formation of holes in the ozone layer.
APPEARS IN
संबंधित प्रश्न
How does the average temperature of Earth remain fairly steady?
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
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.
Communication satellites orbit in thermosphere.
Write True or False.
CFCs and BFCs protect the ozone layer.
What is the difference between the troposphere and the tropopause?
State any three characteristics of the mesosphere.
Why is the thermosphere important?
In your notebooks, draw a diagram showing the layers of the atmosphere. Mark clearly the ozone layer, the height at which a jet plane can fly and also the height up to which birds can fly.
What is known as troposphere?
What is an important feature of Stratosphere?
In which layer of the atmosphere do we see the rainbow?
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
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?
Why is the troposphere the most important of all the layers of the atmosphere?
Atmosphere is divided into ______ different layers.
The atmosphere is held in place by the earth’s ______.
Why do aircraft usually fly above the troposphere layer?
