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प्रश्न
Write the full form of CFCs.
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उत्तर
CFCs: Chlorofluorocarbons
संबंधित प्रश्न
Write the harmful effects of ozone depletion.
With the help of a flow diagram, describe how energy from the sun flows through various trophic levels.
How Ozone is Formed?
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
Briefly explain depletion of ozone layer and its effects.
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
True or False:
Ozone in the Troposphere is a harmful pollutant.
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.
Long answer type question
Montreal protocol is an essential step. Why is it so?
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.
