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प्रश्न
Explain the term CFCs.
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उत्तर
CFC means Chlorofluorocarbons which are produced mainly by refrigeration industries, aerosol cans, coolants, propellants, and plastic foams. They cause global warming.
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संबंधित प्रश्न
Define 'Greenhouse effect'.
Give a reason for the following:
An excess of carbon dioxide increases the temperature of the earth.
Without green house effect, the average temperature of Earth's surface would have been :
The diagram represents the green house effect.
State why the effect is called ‘global warming’.
What is a greenhouse?
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Suggest the way by which it loses the least amount of heat.
Explain the term UV.
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
