What is greenhouse effect?

1 Answer

Answer :

When sunlight falls on the earth, a small part of it is absorbed by the earth and is converted to heat energy. A part of this heat energy is reflected back to the atmosphere by the earth. Some gases present in the atmosphere e.g,
I. Carbon monoxide (CO)
II. Sulphur dioxide (SO2)
III. Oxides of nitrogen (NO & NO2)
These gases trap a part of the heat reflected by the earth causing increase in the atmospheric temperature. These gases are called greenhouse gases and the phenomenon is called greenhouse effect.

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