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प्रश्न
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
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उत्तर
Oxygen – makes life possible on the Earth.
Carbon dioxide – helps to retain warmth on the Earth.
Ozone – protects our earth from ultraviolet rays.
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संबंधित प्रश्न
Fill in the blank
The layer of air around the earth is called the ________.
Fill in the blank
The _________________ is the layer of the atmosphere that help in radio transmission.
State whether the following is true or false.
The earth’s atmosphere contains 99 per cent oxygen, which is essential for life.
State whether the following is true or false.
Communication satellites orbit in thermosphere.
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
How is the atmosphere kept in place around the earth?
What is the difference between the troposphere and the tropopause?
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
Tick the correct answer
The most important layer of the atmosphere is
The lowest layer of the atmosphere is ______.
______ reflects radio waves.
__________ is used to measure pressure in the air.
__________ is the great circle at the centre of the earth.
Height of mesosphere which lies after troposphere is
The uppermost layer of the atmosphere is ______.
Atmosphere is divided into ______ different layers.
The atmosphere is held in place by the earth’s ______.
Define troposphere.
Why do aircraft usually fly above the troposphere layer?
The atmosphere of the earth is heated by radiations which are mainly
