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प्रश्न
Match the items in column I with the closely related ones in column II.
| Column l | Column lI | ||
| (i) | Chlorofluorocarbons (CFCs) | (a) | Global warming |
| (ii) | Fly ash | (b) | Biodegradable |
| (iii) | Cow dung | (c) | Nuclear radiation pollutant |
| (iv) | CO2 and methane | (d) | Acid rain |
| (v) | Sulphur dioxide | (e) | Industrial waste |
| (vi) | Iodine-131 | (f) | Ozone depletion |
उत्तर
| Column l | Column ll | ||
| (i) | Chlorofluorocarbons (CFCs) | (f) | Ozone depletion |
| (ii) | Fly ash | (e) | Industrial waste |
| (iii) | Cow dung | (b) | Biodegradable |
| (iv) | CO2 and methane | (a) | Global warming |
| (v) | Sulphur dioxide | (d) | Acid rain |
| (vi) | Iodine-131 | (c) | Nuclear radiation pollutant |
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संबंधित प्रश्न
How depletion of the ozone layer affect living organisms?
Ozone depletion is occurring widely in the stratosphere; it leads to an ozone hole caused mainly due to ______.
The prime source of chlorofluorocarbons is ______.
Give one harmful effect of CFC.
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
State how CFCs break ozone in the stratosphere.
Bad ozone is present in ______
Why is ozone layer getting depleted at the higher levels of the atmosphere? Mention one harmful effect caused by its depletion.
Why was there a sharp in the amount of ozone in the atmosphere in 1980's.
World Ozone day is celebrated on ______.
