What is the difference between the coastline of Antarctica and the coastline of other continents?

Antarctica is the mainland in the Arctic Circle. Its territory exceeds Canada, but less than Russia. The coast of the mainland is mainly glaciers with cliffs, the height of which reaches several tens of meters. In some areas there are exits of continental rocks. Its length is more than thirty thousand kilometers, it is ruggedly weak. The surrounding seas are filled with ice shelves that continue the mainland ice shell. Are a hazardous area for shipping.

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