What is the longest river in Australia, forming the major border between Victoria and New South Wales?

Answer and explanation

Correct answer: B. Murray River

  1. Step 1: The Murray River spans 2,508 kilometers from the Australian Alps to Lake Alexandrina and the Southern Ocean in South Australia.
  2. Step 2: Together with the Darling River, it anchors the Murray-Darling Basin, the agricultural heartland producing a substantial portion of Australia's domestic produce.
Answer
Murray River
Why not the others: 'Darling River' is the Murray's longest tributary (1,545 km); 'Murrumbidgee River' is a major river in southern New South Wales; 'Lachlan River' is an interior river of the Murray-Darling basin.

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