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प्रश्न
Choose the correct answer.
21 per cent of the atmosphere is composed of
विकल्प
Helium
Oxygen
Nitrogen
Hydrogen
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उत्तर
Oxygen
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संबंधित प्रश्न
Explain in brief the different layers of the atmosphere and the basic functions of the main layers.
State whether the following is true or false.
Communication satellites orbit in thermosphere.
This is a picture of a supersonic aircraft.
This layer of the atmosphere is also known to protect living beings from the harmful rays of the sun. How?
In your notebooks, draw a diagram showing the layers of the atmosphere. Mark clearly the ozone layer, the height at which a jet plane can fly and also the height up to which birds can fly.
In which layer of atmosphere do all weather conditions occur?
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
What is an important feature of Stratosphere?
In which layer of the atmosphere do we see the rainbow?
World Meteorological Day.
Name the atmospheric layers.
__________ is the great circle at the centre of the earth.
What is Biosphere?
The ______ layer protects us from the harmful UV rays coming from the sun.
A layer of Ions inside the Mesosphere is called ______.
Why is Heterosphere called so?
Atmosphere is composed of ______ nitrogen.
The ozone layer protects all life on earth from the harmful ______ rays of the sun.
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
Define troposphere.
