Australia has 65 percent of the terrain is generally flat. And set in the west The area is mostly desert and arid desert. And a desert combined second largest in the world after the Sahara desert in Africa. Australians call this remote and barren land that "Outback for climate typical of the continent of Australia. The northern climate is tropical with high humidity. Until the coastal areas of central, eastern and western, with warm temperatures. And the south coast of Tasmania, the weather is cold. All regions in Australia are both warm summers overlaps with the mild winter. There may be some sporadic snowfall in the capital of each state. The population of Australia use English to communicate.