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प्रश्न
Which Gas is present in large amount in the upper part of stratosphere.
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उत्तर
Ozone
संबंधित प्रश्न
The prime source of chlorofluorocarbons is ______.
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
The depletion of ozone layer in the upper atmosphere is mainly due to the emission of :
(a) unburnt hydrocarbons
(b) chlorofluorocarbons
(c) greenhouse gases
(d) ultraviolet radiations
Explain what is smog. Give its effects.
State two effects of ozone depletion.
State how CFCs break ozone in the stratosphere.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
Give reason for the following:
Destruction of ozone layer is harmful for both humans and plants.
Which spectrum of the light harmful to organism: ____________.
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
