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प्रश्न
Fill in the blank
______ per cent of the atmosphere is made of nitrogen.
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उत्तर
78% per cent of the atmosphere is made of nitrogen.
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संबंधित प्रश्न
Give role of atmosphere in climatic control.
Explain in brief the different layers of the atmosphere and the basic functions of the main layers.
Name the following:
The layer of atmosphere which contains the ozone layer.
Discuss the importance of the different layers of the atmosphere?
Fill in the blank
The rate at which the temperature drops in the ____________ is 1°C per 165 metres.
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
Choose the correct answer.
This per cent of the atmosphere is composed of nitrogen.
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?
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.
What is an important feature of Stratosphere?
How is ozone important for us?
The lowest layer of the atmosphere is ______.
______ reflects radio waves.
__________ is the great circle at the centre of the earth.
What is Biosphere?
Large jet planes normally fly here ______.
Why is Heterosphere called so?
Atmospheric layer important for human beings is ______.
Why mountain climbers carry oxygen while climbing?
The atmosphere of the earth is heated by radiations which are mainly
