Correct option is B
- The Alps Mountain range is young fold mountains.
- The Alps Mountain ranges stretches approximately 750 miles (1,200 kilometers) in a crescent shape across eight Alpine countries: France, Switzerland, Monaco, Italy, Liechtenstein, Austria, Germany, and Slovenia.
- Fold Mountains are created when two or more of the earth’s tectonic plates are pushed together. With these colliding and compressing boundaries, rocks and debris are wrapped and folded into rocky outcrops and hills, mountains, or the entire mountain ranges themselves.
- The Aravalli range in India is one of the oldest fold mountain systems in the world. The range has considerably worn down due to the processes of erosion.
- The Appalachians in North America and the Ural Mountains in Russia have rounded features and low elevation. They are very old fold mountains