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प्रश्न
Why is atmosphere essential for life on earth?
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.
APPEARS IN
संबंधित प्रश्न
Demonstrate the formation of convective currents.
Fill in the blank
The rate at which the temperature drops in the ____________ is 1°C per 165 metres.
Choose the correct answer.
21 per cent of the atmosphere is composed of
What is known as troposphere?
______ reflects radio waves.
Take a ball and throw it up in the air observe the increasing speed of the ball when it comes down.
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
The uppermost layer of the atmosphere is ______.
What is mesosphere?
The atmosphere is made of ______ different layers.
