GREENLAND IS THE largest island in the world. Most of Greenland is covered with an enormous ice cap that is almost three times the size of Texas. The ice cap covers about 90 percent of the island. It is so heavy that its weight has depressed the center of Greenland to about 1,000 ft. (304 m.) below sea level. The Greenland icecap contains one-eighth of the total global ice-mass. Most of the remaining ice mass is in Antarctica. Some parts of northern Greenland are ice-free because it is too cold for snow to form. In some southern parts, the area is too warm for ice to accumulate. The ice cap has been created by the accumulated weight of snowfall through hundreds of thousands of ...

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