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प्रश्न
Choose the correct answer.
This gas protects us from the harmful ultraviolet radiation.
विकल्प
Oxygen
Ozone
Helium
Hydrogen
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उत्तर
Ozone
APPEARS IN
संबंधित प्रश्न
How are clouds formed?
How does the average temperature of Earth remain fairly steady?
Fill in the blank
The layer of air around the earth is called the ________.
Name the following:
The layer of atmosphere which contains the ozone layer.
We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.
Fill in the blank
______ per cent of the atmosphere is made of nitrogen.
Match the following.
| A | B | ||
| 1. | Troposphere | (i) | Ozone |
| 2. | Stratosphere | (ii) | Ions |
| 3. | Thermosphere | (iii) | Outer Space |
| 4. | Exosphere | (iv) | Lowest Temperature |
| 5. | Mesosphere | (v) | Densest Layer of atmosphere |
Fill in the blank:
The layer of the atmosphere where ozone is found is called the ________.
State any three characteristics of the stratosphere
State any three characteristics of the mesosphere.
Name different layers of atmosphere. Describe the important characteristics of each layer.
Tick the correct answer
As we go up the layers of the atmosphere, the pressure
Give an account of the different layers of the atmosphere.
World Meteorological Day.
Give reason:
Thermosphere is also referred to as “Heterosphere”.
What is mesosphere?
Movement of wind takes place in ______ layer.
Choose the correct sequences
An increase in carbon dioxide content in the atmosphere would not cause
