Because of the lack of tectonic activity, compared to the rest of the continents. Which means features from early parts of Earths history have managed to survive, and have not been destroyed in late-Tertiary and Quaternary uplift and extensive glacial erosion that the other continents went through.
The world's oldest (of the seven existing) and smallest continent is Australia.
Australia is located in the continent of Australia/Oceania.
Australia is located in the continent of Australia.
Australia is located on the continent of Australia.
Sydney is in Australia. This continent is in Oceania.
The world's oldest (of the seven existing) and smallest continent is Australia.
That it is upon this Continent that the oldest fossils or other geological specimens are found.
The oldest fossils in the world are found in western Australia and are those of primitive bacteria. They are about 3.5 billion years old.
The first settlement in Australia, and now the oldest city, is Sydney, capital of the state of New South Wales.It is also Australia's largest city by population.
Sidney, Australia.
Australia is found on the continent of Australia. Australia is both a country and a continent.
Australia is located in the continent of Australia/Oceania.
Australia is located in the continent of Australia.
Australia is both a country and a continent. The country of Australia belongs to the continent of Australia.
Australia is a continent as well as a country. Therefore the continent of Healesville, Australia is Australia.
Australia is located on the continent of Australia.
Australia is the only country on the continent of Australia.