Which statement about australia’s urban rim is not true? the urban rim is sparsely populated because it is one of the hottest and driest regions in the country. moist winds from the pacific ocean and the tasman sea bring frequent rains to the urban rim, making it an extremely fertile area. three of australia’s most important cities—sydney, melbourne, and canberra—lie within this region. the urban rim region in southeastern australia extends from the great dividing range to the eastern coast.