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प्रश्न
Explain the term 'global warming'. State two ways by which global warming can be reduced.
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उत्तर
Global warming is the increase in temperature of Earth due to the enhanced concentration of greenhouse gases (CFCs) in the atmosphere.
Two ways to reduce global warming:
Plant more trees to increase green cover
Minimize the use of automobiles
संबंधित प्रश्न
State the effect of global warming in coastal regions.
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.
Name important Greenhouse gases.
Define the following
Greenhouse effect
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.
Which gas is chiefly responsible for global warming?
Which one of the following causes of global warming?
Incomplete combustion of fuel such as petrol and diesel gives
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 |
