The central lowlands in Australia separate the great dividing range from what

The Central Lowlands region, which is between the Great Dividing Range and the Western Plateau, is home to the Murray and Darling Rivers. Australia contains 95 percent of the world's opals. Australia is suffering from a difficult water shortage nationwide and has built dams and desalination plants to help remedy the situation.

d.he wanted to send diplomats to communist countries.

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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