Which of the following mountain ranges is the accepted physical border between Asia and Europe? A. the Ural Mountains B. the Balkan Mountains C. the Caucasus Mountains D. the Carpathian Mountains

The correct answer is A.

The Ural Mountais are the mountain range which is considered to be the natural border that separates Europe and Asia. It goes from North to South in Western Russia, from the Artic Ocean to the Northern regions of Kazakhstan.

This mountain range is rich in natural resources, and contributes significantly to the profitable mining activities in the Russian economy.