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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 atmosphere act as a blanket?
What is atmosphere?
Fill in the blank
______ per cent of the atmosphere is made of nitrogen.
State whether the following is true or false.
The stratosphere is the lowest layer of the 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.
Write True or False.
The ozone layer is harmful to humans and animals.
Name the four layers of the atmosphere.
What is known as troposphere?
Give an account of the different layers of the atmosphere.
State whether the following sentence is true (T) or false (F).
The atmosphere is composed mainly of nitrogen and oxygen.
Very Short Answer Type Question:
What is the nature of the temperature?
Mountaineers carry oxygen in cylinders when they climb mountains that are more than 5000 m high. What could be the reason for that?
__________ is used to measure pressure in the air.
All weather changes occur in the Troposphere.
There is cut-off signal when NASA rocket reaches in the region of ______.
Give Reason:
Exosphere is characterised by aurora Australis and aurora borealis.
What is mesosphere?
Highly reactive gas was later names ‘oxygen’ by ______.
Choose the correct sequences
An increase in carbon dioxide content in the atmosphere would not cause
