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प्रश्न
State whether the following is true or false.
The earth’s atmosphere contains 99 per cent oxygen, which is essential for life.
विकल्प
True
False
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उत्तर
False
Correct : The earth’s atmosphere contains 21% per cent oxygen, which is essential for life
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संबंधित प्रश्न
Fill in the blank
The layer of air around the earth is called the ________.
State in brief how water vapour in the atmosphere determines the climatic conditions
Choose the correct answer.
This per cent of the atmosphere is composed of nitrogen.
State whether the following is true or false.
Communication satellites orbit in thermosphere.
How is the atmosphere kept in place around the earth?
State any three characteristics of the stratosphere
This is a picture of a supersonic aircraft.
In which layer of the atmosphere does this airplane normally fly?
What is an important feature of Stratosphere?
State whether the following sentence is true (T) or false (F).
The atmosphere is composed mainly of nitrogen and oxygen.
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
Name the atmospheric layers.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
Why is atmosphere essential for life on earth?
Atmosphere is divided into two main vertical regions the upper portion is Heterospshere and the lower is ______.
What is Magnetosphere?
Atmosphere is divided into ______ different layers.
Movement of wind takes place in ______ layer.
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
The two forms of oxygen found in the atmosphere are
