The largest island in the world is Greenland. Australia is considered a continent because it has unique plant and animal life. Antarctica also is a continent - larger than Europe and Australia. Greenland, although quite big, shares the habitat features of Northern America.

The smallest island in the world - according to the Guiness Book of Records - is Bishop Rock. It lies at the most south-westerly part of the United Kingdom. It is one of 1040 islands around Britain and only has a lighthouse on it. In 1861, the British government set out the parameters for classifying an island. It was decided that if it was inhabited, the size was immaterial. However, if it was uninhabited, it had to be "the summer's pasturage of at least one sheep" - which is about two acres.

GBU

sometimes it confused me, how wide is some land called island & continent,
europe, asia, africa are in the same land, why people divide the land for different names?

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what effect melting ice on Greenland about it size ? Did become bigger or actually shrink ?
I heard many people now make mineral hunting like diamond in this summer because land is free of ice.