Multiple choice The average elevation of Tibetan Plateau above sea level is 5 Km 2 Km 3 Km 4 Km Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Tibetan Plateau has an average elevation of approximately 4,500 meters (4.5 km), often cited as 'the Roof of the World.' Among the options, 4 km is the closest to this actual average elevation.