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Why the climate of most of the Australian continent has changed from cold to hot and dry during the past 65 million years?
The shift in climate of Australia from cold to hot and dry over the past 65 million years can be attributed to changes in global climate patterns, tectonic movements, and ocean circulation. Factors such as the Australia's movement towards the equator, changes in the positioning of landmasses, and variations in atmospheric greenhouse gases have all played a role in shaping the current arid conditions of the continent.
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Why did Antarctica's climate change approximately 50 million years ago?
Approximately 50 million years ago, Antarctica's climate changed due to a combination of tectonic shifts and a decline in atmospheric CO2 levels. The movement of the Antarctic tectonic plate caused the continent to drift southward, leading to its isolation and the development of the Antarctic Circumpolar Current. This current helped to seal off Antarctica from warmer ocean waters, facilitating the onset of its glaciation. Additionally, the reduction in greenhouse gases contributed to cooler global temperatures, further promoting ice sheet formation on the continent.
What has been the loss of livestock in the Australian drought?
Australia is almost constantly in a state of drought, somewhere within the continent. It is uncertain how much livestock has been lost recently, but average figures from the past include:1911-16: 19 million sheep and 2 million cattle1958-68: 20 million sheep, 20 million cattle and other livestock
What do scientists call the super continent and the ocean that existed 250 million uears ago?
The supercontinent that existed 250 million years ago is called Pangaea, and the ocean that surrounded it is known as Panthalassa.
What is the largest contenent in the world?
The largest continent in the world is Asia. It spans over 17.2 million square miles and is home to diverse cultures, languages, and landscapes.
How has the earth's climate changed in the past?
For the past twenty million years the climate changed in response to orbital variations known as "Milankovitch Cycles." This entailed a series of ice ages. These ice ages may have been precipitated by what is known as the "Azolla Event," which began about 15 million years after the end of the Cretaceous. Azolla is a freshwater fern which sank into the icy depths of the Arctic ocean. Over a fairly short period of a few hundred thousand years billions of tons of atmospheric carbon was sequestered onto the sea floor by the growth and death of this fern. The climate cooled, and thus began the last series of ice ages.
How large is the Australia continent?
The Australian continent has an area of approximately 7.7 million square kilometers
What is 24.3 million pounds in Australian dollars?
£24.3 Million = Australian $37,247,188.93
What part of the Australian continent has spent the most time underwater over the last 600 million years?
The eastern part of the Australian continent, particularly in Queensland and New South Wales, has spent the most time underwater over the last 600 million years. This region has experienced several marine transgressions and regressions, resulting in the deposition of marine sediments and the formation of marine fossils.
Which continent is about 10 million squares kilometres?
Africa is the continent that is approximately 10 million square kilometers.
What continent has the lowest mega-city?
While all continents have mega-cities, Antarctica has the lowest number of cities with populations exceeding 10 million people. This is mainly due to the continent's extreme climate and lack of permanent residents.
Which continents population is 731 million people?
The continent with a population of approximately 731 million people is Europe.
Does mt kosciuszko have any volcanos?
No Mount Kosciuszko was formed as the result of volcanic activity. however it has not been active for over 10 million years. There is no volcanic activity at all on the Australian Continent.
Which continent contain 17 million square miles?
The continent that I believe has seventeen million square miles is Asia. This should make the most sense because Asia is the biggest continent in the world.
Is there any note which costs one million dollar note?
There are no Australian One Million Dollar banknotes. There are no collectible Australian banknotes that would get anything near One Million Dollars.
What continent is known as the super continent?
The super continent was all the seven continents joined to Australia. This continent was larger than Asia .The continental drift has changed this super continent and now many think that Asia is the super continent but Gondwana will always be The Supercontinent. I am 12,not 32 ,12!
Is there an Australian One Million Dollar banknote?
No.
Which is the largest continent in Europe?
Europe is not a continent; it is a continent itself. Europe is the second smallest continent in the world by land area, covering approximately 10.18 million square kilometers. The largest continent in the world is Asia, covering around 44.58 million square kilometers.
