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    Question

    What is the estimated age of the Finke River, now

    recognised as the world’s oldest flowing river?
    A 100–150 million years Correct Answer Incorrect Answer
    B 150–200 million years Correct Answer Incorrect Answer
    C 200–250 million years Correct Answer Incorrect Answer
    D 300–400 million years Correct Answer Incorrect Answer
    E 250–300 million years Correct Answer Incorrect Answer

    Solution

    The Finke River, known to the Arrernte people as Larapinta, is estimated to have begun flowing 300–400 million years ago. It predates the surrounding MacDonnell Ranges and is considered the world’s oldest continuously flowing river system.

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