NCERT CLASS-6 GEOGRAPHY CHAPTER-5 [MAJOR LANDFORMS OF THE EARTH] Landforms are a result of two processes. = within the earth continuous movement is taking place. The 1st or the internal process leads to the super lift net and sinking of the earth’s surface at several places. A hill is a land surface that rises higher than the surrounding area. = generally, a steep hill with an elevation of more than 600m is termed as mountain. The 2nd or the external process is the continuous wearing down and rebuilding of the land surface. The wearing away of the earth’s surface is called erosion. Different landforms depending on elevation and slope- mountains, plateaus and plains. Mountain is any natural elevation of the earth surface. = may have a small summit and a broad base. In some mountains, there are permanently frozen rivers of ice, called glaciers. Some mountains are under sea. Mountains arra...
NCERT notes for UPSC CSE 2021/2022.