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प्रश्न
Define global warming.
उत्तर
Global warming is an increase in global mean temperature caused by the greenhouse effect.
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संबंधित प्रश्न
The global warming has resulted in :
What are green house gases? How are they responsible for global warming?
Name some diseases that are caused due to exposure to ultraviolet rays of the sun.
‘Oxides of nitrogen namely nitrous oxide, are released into the atmosphere from varied sources’. Explain the statement with relevant sources.
Give a chemical test to distinguish between the following gases:
Sulphur dioxide and chlorine.
Which one of the following causes of global warming?
Which one of the following years is supposed to have recorded the warmest temperature the world over?
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) chloroflurocarbons | (iv) greenhouse gas |
Find out the wrong statement and write it in its correct form.
A brick kiln emits lot of smoke and other harmful gases causing air pollution.
An average increase in the temperature of the atmosphere is called acid rain.
