Australia is the smallest continent in the world. One part of it, (1) Western
Australia, is eleven times as big as (2) Great Britain. The journey from 3) Perth a city in the west. to (4) Sydney in the east takes four to five hours by plane: that is longer than the journey from (5) Madrid to (6) Moscow, Austra lia's longest river is (7) Murray-Darling. The big lakes in Australia's deserts are dry most of the time Huge (8) Lake Eyre, which is 70 kilometres wide and 130 kilometers long, was dry for a hundred years until 1950, and (9) Lake Mungo has had no water for 16,000 years. (10) Todd River, by the way, is nearly always dry too.