The Rub al-Khali, located in Saudi Arabia, is geographically significant because it is the world's what?
Q1. The Rub al-Khali, located in Saudi Arabia, is geographically significant because it is the world's what?
Answer: Largest continuous sand desert
Explanation: The Rub al-Khali (Empty Quarter) covers about 650,000 km² across Saudi Arabia, UAE, Oman, and Yemen, making it the world's largest continuous sand desert (erg).