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प्रश्न
Enumerate methods of protecting the ozone layer and preventing its depletion.
उत्तर
Methods to protect ozone layer:
- By replacing CFC’s by alternative products and use of HCFC hydochloro fluoro carbons.
- International treaty [Montreal protocol] was also initiated to prevent ozone depletion.
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संबंधित प्रश्न
The harmful radiations absorbed by the ozone layer are ______.
What step has been taken by UNEP in 1987 to prevent too much damage to the ozone layer?
How is ozone formed in the higher level of atmosphere?
“Damage to the ozone layer is a cause of concern”. Justify this statement.
State two effects of ozone depletion.
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
Acid rain is caused by the oxides of ______.
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
What is exactly measured in Dobson units or DU?
