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प्रश्न
Discuss harmful effects of greenhouse effect.
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उत्तर
Large amount of carbon-dioxide in the polluted air results in increase of greenhouse effect which has raised the average temperature of the Earth by 2°C. This results in global warming which, in turn, will melt ice on the polar caps, thereby raising the level of sea water by a few metres. This can result in submerging of coastal areas and islands causing excessive damage.
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संबंधित प्रश्न
What is greenhouse effect?
Give two uses of the following component present in air:
nitrogen
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Water does not have a ______ but has definite ______ and ______.
Explain Lavoisier’s experiment which provided evidence to the discovery of components in air.
What is wind energy?
Mention two advantages of wind energy.
______ is important for all living creatures.
Which of the following statements is incorrect?
Explain the following observations very briefly
The arrow of weather cock points towards a particular direction at a particular moment.
