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प्रश्न
Give reason for the following:
In the absence of greenhouse gases, the surface temperature of the earth is maintained.
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उत्तर
In the absence of greenhouse gases, the surface temperature of the earth is maintained as from the sun the heat radiations reach the earth and are absorbed and retained here.
Some of the absorbed radiations are reflected back into the atmosphere. Hence, balance is maintained between heat energy absorbed by the earth and radiated from the earth.
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संबंधित प्रश्न
Prepare a brief speech on global warming. You have to deliver the speech in your class.
Name three green house gases.
The greenhouse gas, which on combustion produces another greenhouse gas.
A renewable source of energy which causes minimum or no pollution.
The diagram represents the green house effect.
State why the effect is called ‘global warming’.
What is a greenhouse?
How will you minimize heat loss due to the following:
Radiation
A red hot ball is suspended from the ceiling of a room using a thin metallic wire.
Name the ways in which the ball loses heat.
Which of the following is not a green house gas?
Name the chemicals which are used in refrigerators and air conditioners and damage ozone layer when released in air.
