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प्रश्न
Select the correct answer:
A decrease in the amount of ozone in the stratosphere is called depletion of the zone and it is caused by
विकल्प
UV radiations of sun
Use of CFC compounds
excessive use of detergents
Use of polychlorinated biphenyls
उत्तर
Use of CFC compounds
APPEARS IN
संबंधित प्रश्न
How can we control carbon monoxide poisoning?
How do the oxides of nitrogen enter the atmosphere?
Explain the formation of acid rain due to:
Oxides of nitrogen
What do you understand by the Green House effect?
State the role of a greenhouse in growing plants.
State how CFC breaks the ozone layer.
How do you propose to control:
SOx emission
Give reason for the following:
Natural rain water does not have a pH of 7 [i.e. neutral]
Name or state the following:
A form of wet deposition of acid rain other than rain water.
The diagram represents the green house effect.
State an advantage of use of C.N.G. over combustion of fossil fuels.
