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प्रश्न
What is known as Global Warming?
उत्तर
Global Warming is the increase in temperature of earth due to enhanced concentration of Greenhouse gases (CFCs) in the atmosphere.
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संबंधित प्रश्न
Give biological reasons for the following statements:
Cutting of trees should be discouraged.
What do you mean by global warming?
State the effect of global warming in coastal regions.
What is the effects of global warming?
Write True or False.
Aeroplanes flying in the sky cause 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.
‘Oxides of nitrogen namely nitrous oxide, are released into the atmosphere from varied sources’. Explain the statement with relevant sources.
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) chloroflurocarbons | (iv) greenhouse gas |
