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Answer:1 ) Saudi Arabia is the Middle East's largest country and the world's 12th largest.2 ) There is evidence to support a 125,000-year human presence in Saudi Arabia. It's possible that people traveled from Africa through the Arabian Peninsula based on the ancient artifacts recovered there.3 ) Around 95% of Saudi Arabia is desert.4 ) Saudi Arabia is an oil-rich country, accounting for around 16% of the world's proven petroleum reserves.Hope this helps! :)