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OCR: Although Australia does not have many deserts in the form of barren wastelands or sand seas, it is more desertified than any other continent. Why is this so? The answer is that thousands of years ago, Australia was much dryer than it is now, and much of the terrain was formed during this earlier period. Many regions of Australia also have unreliable rainfall, so that drought car quickly desertify an area that may have previously been semi-arid.