Answer :
Final answer:
Rub' al-Khali, the Empty Quarter, is a vast desert region in the Arabian Peninsula with extreme dryness and limited inhabitation.
Explanation:
Rub' al-Khali, also known as the Empty Quarter, is the largest contiguous sand desert in the world, located in the Arabian Peninsula. It covers about 25% of Saudi Arabia and is sparsely inhabited due to its extreme dryness. The region's dependence on water sources like aquifers and desalinization is crucial for any human activity.
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