हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Choose the Correct Answer. 21 per Cent of the Atmosphere is Composed of - Geography

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प्रश्न

Choose the correct answer.
21 per cent of the atmosphere is composed of

विकल्प

  • Helium

  • Oxygen

  • Nitrogen

  • Hydrogen

MCQ
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उत्तर

Oxygen

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Composition and Structure of the Atmosphere - Choose the correct answer

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ऑक्सफोर्ड यूनिवरसिटि प्रेस Voyage Geography [English] Class 7
अध्याय 3 Composition and Structure of the Atmosphere
Choose the correct answer | Q 2

संबंधित प्रश्न

Give role of atmosphere in climatic control.


State in brief how water vapour in the atmosphere determines the climatic conditions


Choose the correct answer.
This layer of the atmosphere has the lowest temperature.


Collect rainfall data from the website of the Indian Meteorological Department (IMD) for Mumbai, Chennai, Delhi, and Kolkata and discuss how rainfall patterns have changed in the last 5 years.


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?


Write True or False.

The ozone layer is harmful to humans and animals.


What is the difference between the troposphere and the tropopause?


Imagine that you are an active member of Greenpeace. Write a two-page appeal addressed to the Prime Minister of India stating why you think that increasing the number of vehicles on roads will be disastrous to the nation in the long run.


Make a collage using pictures or a chart to show the various causes and consequences of global warming.


What is an important feature of Stratosphere?


Short Answer Type Question:

Give an account of the composition of the atmosphere. Also, discuss the importance of the components.


Write a note about the following.

Condensation


__________ is used to measure pressure in the air.


Atmosphere gets heated by conduction than solar radiation.


Why is atmosphere essential for life on earth?


The uppermost layer of the atmosphere is ______.


What are the elements of weather and climate?


______ is the lowest layer of the atmosphere.


The atmosphere is held in place by the earth’s ______.


A ______ shows the direction in which the air is moving at a particular place.


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