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प्रश्न
‘Oxides of nitrogen namely nitrous oxide, are released into the atmosphere from varied sources’. Explain the statement with relevant sources.
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उत्तर
Oxides of nitrogen [N2O] released into the atmosphere from anaerobic respiration, activities of microorganisms in soil release – nitrogen, nitric oxide and nitrous oxide.
Also from –
- Agricultural activities – soil cultivation – use of nitrogenous fertilizers.
- Automobile exhausts.
- Burning of biomass.
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संबंधित प्रश्न
How will global warming affect the agriculture?
What are green house gases? How are they responsible for global warming?
Fill in the blank:
______ is a major cause of climate change.
Fill in the blank:
The __________in the earth’s temperature is called global warming.
- Which region of the world is seen in the picture?
- How is it going to be affected by global warming?
Explain how global warming takes place in the presence of green house gases. Give a reason why the surface temperature of earth is maintained in absence of green house gases.
Give a chemical test to distinguish between the following gases:
Sulphur dioxide and chlorine.
Global warming also refers to as ______.
Match the items of Column A with those of Column B.
| Column A | Column B |
| (a) sulphur dioxide | (i) damage ozone layer |
| (b) carbon dioxide | (ii) reduces oxygen-carrying capacity of blood |
| (c) carbon monoxide | (iii) acid rain |
| (d) chlorofluorocarbons | (iv) green house gas |
It is said, “CO2 contributes to global warming.” Explain.
