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It hasn't. Australia is a continent.

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Q: When did Australia become an island?
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Related questions

When did Australia become an lsland?

Australia was always an island as well as a continent.


Why isn't Australia called the largest island in the world?

Because it's not. The scientists have proved that Australia is no longer one since the land mass is to big to become an island. therefore Greenland being the largest island Australia is the smallest continent.


Is there an island called Australia?

I think you are thinking of Australia, but Australia is a continent not an island.


What is the third largest island in Australia?

Including Tasmania, the island state of Australia, as the largest island, the third largest island of Australia would be Kangaroo Island.


What is the island nation located in the Indian and pacific ocean?

there are a lot of islands like:Andaman Islands (India)Ashmore and Cartier Islands (Australia)Christmas Island (Australia)Cockatoo Island (Australia)Cocos (Keeling) Islands(Australia)Dirk Hartog Island (Australia)Garden Island(Australia)Houtman Abrolhos (Australia)Jaffna Islands (Sri Lanka)Kangaroo Island (Australia)King Island (Australia)Koolan Island (Australia)Lakshadweep Islands (India)Langkawi Islands (Malaysia you have to have a spacific one!


Australia biggest island?

Australia is a Continent, Greenland is the largest island


Which of the states and territories of Australia is an island?

Tasmania is Australia's island state.


What is an island nation of Asia and Australia?

There is no island nation of Australia, as Australia is a continent. Island nations of Asia which are close to Australia include Indonesia and Papua New Guinea.


What is the 'wild' island south of Australia?

Tasmania is Australia's southern island state, and regarded as a wild place. There are vast areas of untouched wilderness, and despite it being the smallest state, people can and do become lost in the rugged bushland and wilderness there.


What are the 3 largest islands in Australia?

Australia's largest island is the island state of Tasmania.The second largest island is Melville Island, in the Northern Territory, and the third largest island is Kangaroo Island, in South Australia.


What is an island northwest of Australia?

Christmas Island lies northwest of Australia. it is one of Australia's external territories.


The name of the island area of Australia located southeast of the mainland?

New Zealand is the island nation southeast of Australia.