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प्रश्न
When is World Environment Day Celebrated?
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उत्तर
World Environment Day is celebrated on 5th June every year.
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संबंधित प्रश्न
How does the average temperature of Earth remain fairly steady?
What would have happened if there would have been no atmosphere around the earth?
Fill in the blank
The layer of air around the earth is called the ________.
Choose the correct answer.
The rate at which the temperature drops in the troposphere is called
Choose the correct answer.
This layer of the atmosphere has the lowest temperature.
We need to understand that global warming, climate change, acid rain, and ozone depletion are all happening because of our dependence on fossil fuels and CFC-based technologies. Therefore, the need of the hour is to reduce our dependence on them.
What can you do in this regard?
State whether the following is true or false.
The temperature drops at the rate of 1°C per 185 metres in the atmosphere.
Write True or False.
Ozone is found in the troposphere.
This is a picture of a supersonic aircraft.
This layer of the atmosphere is also known to protect living beings from the harmful rays of the sun. How?
Name different layers of atmosphere. Describe the important characteristics of each layer.
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 |
What are the different layers of the atmosphere?
What is atmosphere?
Give Reason:
Exosphere is characterised by aurora Australis and aurora borealis.
Why is the troposphere the most important of all the layers of the atmosphere?
What is mesosphere?
Why mountain climbers carry oxygen while climbing?
Exosphere has a high temperature.
