Which mountain range, stretching roughly 2,500 kilometres from north to south, is traditionally considered the boundary between Europe and Asia?

• A The Caucasus
• B The Ural Mountains ✓
• C The Altai
• D The Sayan Mountains

The Urals run from the Kara Sea to the Kazakh steppe and are among the oldest mountain ranges on Earth, rich in minerals including iron, copper, and gold.