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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
You have seen weather reports on television and in newspapers. How do you think we are able to predict the weather?
Give role of atmosphere in climatic control.
Demonstrate the formation of convective currents.
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.
State in brief how water vapour in the atmosphere determines the climatic conditions
Choose the correct answer.
21 per cent of the atmosphere is composed of
This is a picture of a supersonic aircraft.
In which layer of the atmosphere does this airplane normally fly?
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?
Name different layers of atmosphere. Describe the important characteristics of each layer.
Tick the correct answer
As we go up the layers of the atmosphere, the pressure
What is an important feature of Stratosphere?
Answer the following question briefly:
Name the different layers of atmosphere.
Take a ball and throw it up in the air observe the increasing speed of the ball when it comes down.
What is Biosphere?
A layer of Ions inside the Mesosphere is called ______.
Give Reason:
Exosphere is characterised by aurora Australis and aurora borealis.
Give reason:
Thermosphere is also referred to as “Heterosphere”.
Highly reactive gas was later names ‘oxygen’ by ______.
Where does Ozone layer lie?
