NCERT CLASS-6 GEOGRAPHY CHAPTER-5 [MAJOR DOMAINS OF THE EARTH] The solid portion of the earth on which we live is called the Lithosphere. The gaseous layer that surround the earth is the Atmosphere. Water covers a very big area of the Earth’s surface and this area is called the Hydrosphere. The biosphere is the narrow zone where we find land, water and air together, which contains all forms of life. Two main divisions of earth’s surface- continents and oceans basins. Level of sea water remains the same everywhere. Elevation of land is measured from the level of the sea, which is taken as zero. The highest mountain peak Mt. Everest is 8848 m above the level. The greatest depth of 11,022 m is recorded at Mariana Trench int the Pacific Ocean. Edmund Hillary (New Zealand) and Tenzing Norgay Sherpa (India) were the 1st men to climb the Mt. Everest on 29th May 1953. Junko Tabei (Japan) was the 1st woman to reach the summit on 16th May 1975. The 1st Indian woma...
NCERT notes for UPSC CSE 2021/2022.