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प्रश्न
What do you mean by global warming?
Explain the term ‘global warming’.
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उत्तर १
Global warming means the increase in average effective temperature near the Earth’s surface due to an increase in the amount of greenhouse gases in its atmosphere.
उत्तर २
If the percentage of greenhouse gases increases, the Earth’s surface temperature rises. “The rise in average temperature of Earth’s surface is called global warming.”
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संबंधित प्रश्न
Give biological reasons for the following statements:
Cutting of trees should be discouraged.
Explain the term 'global warming'. State two ways by which global warming can be reduced.
Write True or False.
Aeroplanes flying in the sky cause global warming.
Choose the correct option.
Use of fossil _____ causes global warming.
What is known as Global Warming?
Give a chemical test to distinguish between the following gases:
Sulphur dioxide and chlorine.
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.
It is said, “CO2 contributes to global warming.” Explain.
An average increase in the temperature of the atmosphere is called acid rain.
