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प्रश्न
What is global warming? What are its causes? State its effects.
उत्तर
Global warming: The burning of fossil fuels, (coal, gas, petroleum), the cultivation of the soil, large scale industrialisation, rapid means of transport and deforestation has caused an imbalance in the atmosphere. These activities are increasing the amount of carbon dioxide. Thus, the greenhouse effect has raised the average, the temperature of the earth by 0.5°C. By the year 2000, the earth’s, average temperature will go up by 2°C. This is called global warming. Global warming is causing a rise in sea-levels due to the melting of glaciers. It is threatening to submerge many coastal areas.
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संबंधित प्रश्न
Define the following term:
Latent heat
Draw a labelled diagram showing the heat budget of the earth.
What do you understand by a daily range of temperature and annual range of temperature?
Define the following:
Daily Mean Temperature.
Define the following:
Annual Mean Temperature.
Explain the importance of insolation.
Mountains are cooler than plains. Discuss.
“Winter nights at Delhi are cooler than in Mumbai”. Why?
‘Despite its location in higher latitudes, the coast of Norway is never frozen.’ Why?
Why are the northern slopes of Himalayas cooler than its southern slopes?
