ii complete the passage by writing one suitable preposition in each gap

      Australia is the only country in the country in the world that covers entire continent. It is one (1) the largest countries on Earth. Although it is rich (2) natural resources and has a lot of fertile land, more than one-third (3_ Australia is desert.     

     Most Australian cities and farms are located (4) southwest and southeast, where the climate is more comfortable. There are dense rain forests (5) the northeast. The famous outback (remote rural areas) contains the country's largest deserts, where there are scorching temperatures, little water, and almost no vegetation.

    Running(6) the eastern and and south-eastern edge (7) Australia is the Great Dividing Range. This 2,300-mile (3,700-kilometre) stretch (8) mountain sends water down (9) Australia's most important rivers and the Great Artesian Basin, the largest groundwater source (10) the world.