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प्रश्न
What is responsible for causing a hole in the ozone layer?
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.
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संबंधित प्रश्न
Fill in the blank
The layer of air around the earth is called the ________.
We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
Choose the correct answer.
This per cent of the atmosphere is composed of nitrogen.
Choose the correct answer.
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Name the four layers of the atmosphere.
World Meteorological Day.
All weather changes occur in the Troposphere.
Atmosphere gets heated by conduction than solar radiation.
Name the atmospheric layers.
What is atmosphere? Name the five layers of atmosphere.
Large jet planes normally fly here ______.
The part of atmosphere which contains gases with even composition is called ______.
Draw a suitable diagram for the structure of the atmosphere and label it and describe it.
Atmosphere is divided into ______ different layers.
The atmosphere is held in place by the earth’s ______.
A ______ shows the direction in which the air is moving at a particular place.
Why do aircraft usually fly above the troposphere layer?