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प्रश्न
Explain how, harmful ultraviolet radiations of sunlight are prevented from reaching the earth's surface.
उत्तर
Harmful radiations of sunlight are prevented from reaching the earth's surface by the ozone layer in the upper atmosphere, which absorbs them.
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संबंधित प्रश्न
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
What would be the effects on widening of ozone hole?
How are CFCs harmful?
Explain what is smog. Give its effects.
The depletion of the ozone layer is due to ______.
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
How is the ‘ozone oxygen cycle’ maintained in the stratosphere and state what disturbs the balance, resulting in ozone depletion or destruction, Give balanced equation for the same.
In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are ______.
What is exactly measured in Dobson units or DU?