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प्रश्न
State what are ‘greenhouse gases’ and name the major greenhouse gases.
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उत्तर
“Greenhouse gases are those gases that contribute effectively in retaining heat in the atmosphere.”
OR
“The various gases which contribute to the greenhouse effect are called greenhouse gases.” Gases are CO2, water vapours, oxides of nitrogen, CH4,O3 and chlorofluorocarbons.
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संबंधित प्रश्न
Which one of the following is a Greenhouse gas?
Give a reason for the following:
An excess of carbon dioxide increases the temperature of the earth.
State the cause of increase of green house effect.
Choose the correct option.
________dioxide is a greenhouse gas.
Explain how promoting ‘afforestation’ and checking ‘deforestation’ reduces the release of greenhouse gases.
Name or state the following:
A green house gas which contains carbon and hydrogen only.
The diagram represents the greenhouse effect.
Which of the following – biofertilizers or nitrogenous fertilizers reduces the greenhouse gas – CO2? Explain.
The greenhouse effect is boon or bane? Give your opinion.
Assertion: Greenhouse gases maintain the temperature.
Reason: Greenhouse gases absorb infrared rays.
Answer:
