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प्रश्न
Why is atmosphere essential for life on earth?
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उत्तर
The atmosphere is essential for life because it maintains an appropriate climate for the maintenance of life by carrying out the following activities:
- The atmosphere keeps the average temperature of the Earth fairly constant during the day time.
- It prevents a sudden increase in temperature during the day time.
- It also slows down the escape of heat from the surface of the Earth into outer space during the night time.
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संबंधित प्रश्न
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
______ per cent of the atmosphere is made 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?
Write True or False.
Ozone is found in the troposphere.
Name the four layers of the atmosphere.
Name different layers of atmosphere. Describe the important characteristics of each layer.
Short Answer Type Question:
Give an account of the composition of the atmosphere. Also, discuss the importance of the components.
All types of clouds are found in the ______.
Movement of wind takes place in ______ layer.
Choose the correct sequences
