Answer:
c. Natural borders that divide states
Explanation:
The Alps, Ural and Pyrenees are all mountain ranges found within Europe. The Alps serve as natural borders for several countries including Germany, Austria, Italy, Slovenia, Switzerland and France. The Ural mountains do not divide a country, but rather European Russia from Asian Russia. The Urals also mark the easternmost extent of the European continent. Lastly, the Pyrenees mountains from the boundary between Spain and France.
