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प्रश्न
Briefly explain main layers of the atmosphere.
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उत्तर
Following are the five main layers of atmosphere:
(i) Troposphere: It is the lowest layer that contains air and that extends up to 8‒20 km from the Earth.
(ii) Stratosphere: It is the second layer of atmosphere that extends up to 50 km from the Earth.
(iii) Mesosphere: It is the third layer of atmosphere that lies above the stratosphere.
(iv) Thermosphere: It is the fourth layer of atmosphere that extends up to 100‒120 km from the Earth.
(v) Exosphere: It is the outermost layer of atmosphere.
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संबंधित प्रश्न
Give one use for the following inert gase :
neon
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
Name the products formed when a candle burns in air.
Write down the composition of air.
Discuss two useful applications of greenhouse effect.
Why is air called a mixture? Give five facts in support of your answer.
Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.
Tick the object which gives out water vapour.
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Who am I?
I am a mixture of gases.
What is the mixture of air?
