Advertisements
Advertisements
प्रश्न
Write the significance of the following gases.
Oxygen __________________
Carbon dioxide __________________
Ozone __________________
Advertisements
उत्तर
Oxygen – makes life possible on the Earth.
Carbon dioxide – helps to retain warmth on the Earth.
Ozone – protects our earth from ultraviolet rays.
APPEARS IN
संबंधित प्रश्न
Give role of atmosphere in climatic control.
State in brief how water vapour in the atmosphere determines the climatic conditions
Choose the correct answer.
21 per cent of the atmosphere is composed of
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.
The stratosphere is the lowest layer of the atmosphere.
Name the important gases that are found in the atmosphere.
What is the troposphere?
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
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?
______ reflects radio waves.
Take a ball and throw it up in the air observe the increasing speed of the ball when it comes down.
World Meteorological Day.
Wind movements cause the clouds particles to collide is _______.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
The part of atmosphere which is consisted of variable gases with uneven composition is called ______.
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
Define troposphere.
Why do aircraft usually fly above the troposphere layer?
The two forms of oxygen found in the atmosphere are
