A mountain is a land form that rises high above the surrounding terrain in a limited area. Generally, mountains are higher than hills. The height of a mountain is more than 600 meters and those landforms which are less higher than 600 meters are called hills. Almost 24% of the area of Earth is covered with mountains. The largest mountain range in the world in Himalaya which is situated in Asia. Other mountain ranges are present in Europe, North America, South America, Australia and Africa. The science of mountains is called Orography.  [Read more...]