The place known as the Roof of the world is
-
Greenland
-
Tibet
-
Russia
-
Canada
B
Correct answer
Explanation
Tibet is called the 'Roof of the World' because it has the highest average elevation of any region on Earth, sitting on the Tibetan Plateau with an average height of around 4,500 meters. Greenland, Russia, and Canada have high elevations in parts but are not predominantly high-altitude plateaus like Tibet.