Ice cap refers to the blocks of ice in the poles.
You might know that the sun radiates lot of energy. One among them is the heat energy in the form of Infra red rays or simply known as heat rays. There are few gases present in the earth’s atmosphere like CO2, methane, SOX, NOX, etc. which are known as green house gases. These are the main gases which enhances global warming.
The sun’s radiation enter the earth’s surface, after hitting the earth’s surface it’s again to leave the earth’s surface. But this is being blocked by a thick blanket of green house gases. This blanket only allows the sun’s radiation to enter the earth and doesn’t allow it to leave the earth. Thereby causing increase in the earth’s average temperature. This causes global warming which would melt the ice caps at the poles. This is called melting of an ice cap.
You might know that the sun radiates lot of energy. One among them is the heat energy in the form of Infra red rays or simply known as heat rays. There are few gases present in the earth’s atmosphere like CO2, methane, SOX, NOX, etc. which are known as green house gases. These are the main gases which enhances global warming.
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