Comment on The U.S. has tried to buy Greenland beforeComments−realxrobau1yAustralia is the world's largest island at 7.9m km² ... Not sure why they're trying to say Greenland is larger.−HWR_141yThey aren't trying to say Australia is smaller. They sought to exclude it by saying it was the biggest of "non-continental" islands.−pseudocomposer1yAntarctica is a larger “island” than Australia. But both are also continents, while Greenland is not (yes, this is rather arbitrary labeling, but it is what it is).−hulitu1yyes, this is rather arbitrary labeling, but it is what it isAFAIK continents are based on tectonic plates.
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Australia is the world's largest island at 7.9m km² ... Not sure why they're trying to say Greenland is larger.
They aren't trying to say Australia is smaller. They sought to exclude it by saying it was the biggest of "non-continental" islands.
Antarctica is a larger “island” than Australia. But both are also continents, while Greenland is not (yes, this is rather arbitrary labeling, but it is what it is).
AFAIK continents are based on tectonic plates.