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Australia, officially the Commonwealth of Australia, [ 17 ] is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. [ 18 ] It is the largest country by area in Oceania and the sixth-largest country in the world.
Australia has a wide variety of climates due to its large geographical size. The largest part of Australia is desert or semi-arid. Only the south-east and south-west corners have a temperate climate and moderately fertile soil. The northern part of the country has a tropical climate, varying between grasslands and desert.
Geography of Australia. Mostly low plateau with deserts, rangelands and a fertile plain in the southeast; mountain ranges in the east and south-east. The geography of Australia encompasses a wide variety of biogeographic regions being the world's smallest continent, while comprising the territory of the sixth-largest country in the world.
The history of Australia is the history of the land and peoples which comprise the Commonwealth of Australia. The modern nation came into existence on 1 January 1901 as a federation of former British colonies. The human history of Australia, however, commences with the arrival of the first ancestors of Aboriginal Australians by sea from ...
Climate change in Australia. Climate change is increasing the frequency and size of bushfires, as evidenced by the 2019–20 Australian bushfire season. [1] Climate change has been a critical issue in Australia since the beginning of the 21st century. Australia is becoming hotter and more prone to extreme heat, bushfires, droughts, floods, and ...
Coal is mined in every state of Australia. The largest black coal resources occur in Queensland and New South Wales. [1] About 70% of coal mined in Australia is exported, mostly to eastern Asia, [2] and of the balance most is used in electricity generation. In 2019-20 Australia exported 390 Mt of coal (177 Mt metallurgical coal and 213 Mt ...
In meteorology, an air mass is a volume of air defined by its temperature and humidity. Air masses cover many hundreds or thousands of square miles, and adapt to the characteristics of the surface below them. They are classified according to latitude and their continental or maritime source regions. Colder air masses are termed polar or arctic ...
Royal Australian Air Force. The Royal Australian Air Force (RAAF) is the principal aerial warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Australian Army. [4] Constitutionally the Governor-General of Australia is the de jure Commander-in-Chief of the Australian Defence Force.