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1.Has tropical, temperate, and semiarid climate
Australia
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Brazil
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Both
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2.Has a 'green and yellow' soccer team t-shirt
Australia
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Brazil
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Both
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Not only for soccer, but the 'green and yellow' t-shirts are quite similar for both countries in many sports.
3.Has more than 85% of its population living in urban areas
Australia
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Brazil
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Both
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According to IndexMundi (2018), the urban population percentage is 86.1% for Australia and 86.57% for Brazil.
4.Had devastating fires in its natural environment in 2019
Australia
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Brazil
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Both
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Australia and Brazil experienced long fire seasons in 2019, marked by the most devastating bushfires in Australia's history and the most devastating wildfires in Brazil's history.
5.Is a Commonwealth member
Australia
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Brazil
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Both
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Australia is an original member of the Commonwealth.
6.Became a sovereign country before the 1900s
Australia
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Brazil
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Both
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Brazil proclamed its independence on September 7th, 1822. Australia became an independent nation on January 1st, 1901.
7.Recognizes nationality by birth (when someone is born in the country automatically becomes a citizen)
Australia
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Brazil
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Both
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Australia recognizes citizenship by descent only. Brazil recognizes both, by birth and by descent.
8.Has more than 500 airports
Australia
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Brazil
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Both
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Australia has approximately 480 airports, while Brazil has approximately 4,093 airports.
9.Is home to the largest Japanese community living outside Japan
Australia
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Brazil
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Brazil has over 1.5 million citizens of Japanese origin living in its territory, only in São Paulo they are over 400,000 inhabitants.
10.Has a greater east-west distance
Australia
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Brazil
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Brazilian east-west distance is 4,330 km (2,690 mi), while Australia's is 4,030 km (2,500 mi).
11.Has a GDP in trillions of dollars
Australia
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Brazil
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Both
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In 2018, according to Worldometers, Australia had a GDP of 1.3 trillion and Brazil had a GDP of 2.05 trillion.
12.Has the largest sand island in the world
Australia
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Brazil
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The largest sand island in the world is Fraser Island, in Australia.
13.Is home to 21 of the world’s 25 most venomous snakes
Australia
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Brazil
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Both
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14.Is home to the golden lancehead vipers, one of the deadliest snakes in the world
Australia
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Brazil
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Both
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Ilha da Queimada Grande (aka Snake Island), in the state of São Paulo, is considered the most dangerous acreage on the planet, home to over 4,000 golden lancehead vipers.
15.Has the longest national highway in the world
Australia
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Brazil
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Australia's Highway 1 is a network of highways that circumnavigate the country, joining all mainland state capitals at a total length of approximately 14,500 km (9,000 mi).
16.Has the largest living structure on Earth
Australia
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Brazil
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The Great Barrier Reef is the largest living structure on Earth. Stretching for 1,429 miles over an area of approximately 133,000 square miles, the Great Barrier Reef is the largest coral reef system in the world.