Geographically, Australia is a
continent, not an island. As a
landform, it could be considered an island as it is entirely surrounded
by water and not joined onto any other land mass. For this reason, it is
often referred to as an
island continent. Australia is too big to be
formally classified as an island. The world's largest island is Greenland.
Another reason why Australia is also considered a continent is because
it sits on its own tectonic plate. This is different from Greenland,
which uses the same land mass as North America. That is why the
geological appearances are much different in Australia from anywhere
else. A place like Greenland shares the same geologic attributes as
North America.
Australia and Antarctica are the only two true
Continental Islands. That is, they are separated from all other
continents by water. All other continents are connected by a landmass to
at least one other Continent. If there are any waterways, they have
been artificially created.
Australia is the smallest continent and the 6th largest country, with an area of 7,686,850 sq km.
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