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MAJOR DOMAINS OF EARTH: lithosphere, atmosphere, hydrosphere, biosphere -…

- - - - major part of hydro is ocean
      - ocean watwer always moving
        
        movemen of ocean water
        
        tides
        
        ocean currents
        
        waves
      - types of ocean: 5
        
        PACIFIC OCEAN
        
        signifi: mariana trench is inthis ocean
        
        1/3 rd earths sur is occupied by P.O
        
        2/3: WATER
        
        1/3 % PACIFIC WATER
        
        means only P.O contri 50% of ocean water remai 4 ocean togeather form rest 50% means ima how big P.O is
        
        1/3 LAND
        
        countries touches pacific ocean
        
        east
        
        asia
        
        australia
        
        west
        
        north ame
        
        south ame
        
        largest ocean
        
        shape: circular shape
        
        ATLANTIC OCEAN
        
        second largest ocean
        
        s shaped
        
        loca:
        
        flanked(one side occupied)
        
        west: north ame and south ame
        
        east:europe and africa
        
        signi:
        
        coastline of atlan ocean is very intended(zigzag)
        
        this irregular coastline is considered to be a safe area for ports and natural harbours
        
        harbours are area where we can keep a ship safely as well as perform loading and unloading, repairs and maintainance
        
        due to this reason it is one of the bussiest ocean in terms of commerce
        
        comm means exchange of goods
        
        INDIAN OCEAN
        
        only ocean named after country, india
        
        1.inida at head of indian ocean dividing asian conti into west asia and east asia
        
        india has longest coastline in indian ocean
        
        all this combined togeather and contri ocean name
        
        from ancient times indian coasts holds a lot of significance in exchanging our culture to other countries as well as in trade
        
        shape: triangular
        
        bounded by
        
        south: southern/antarctic ocean
        
        west: africa
        
        north: asia
        
        east: australia
        
        southern ocean
        
        covers/ encircles antarctica conti
        
        loc
        
        northward 60 degree south latitude
        
        means above(north) the 60 degree south latitude
        
        ARCTIC OCEAN
        
        loc
        
        at north pole by surrounding northpole
        
        with in the arctic circle
        
        surrounds east coasts of north america and north of eurasia
        
        berring strait
        
        a strait can seperate two water bodies or landmasses
        
        it seperated arctic ocean and pacific ocean
  - - - oceans, lakes, rivers, underground water like wells
    - - water vapour in atmosphere
    - - ice sheets and glaciers
- - - - continents
        
        NORTH AMERICA
        
        3rd largest conti
        
        lies in north western hemis
        
        ISTHMUS OF PANAMA: a piece of land that connects north america and south america
        
        this I.O.P belongs to both north america and south america
        
        covered by oceans 3 sides
        
        SOUTH AMERICA
        
        lies in southern hemis
        
        covered by water on 3 sides
        
        west: pacific ocean
        
        south: southern ocean
        
        east: atlantic ocean
        
        featurres
        
        ANDES
        
        it is largest mountain ranges runs from north to south of conti on west side
        
        AMAZON RIVER
        
        worlds largest river belongs to this conti
        
        AFRICA
        
        second largest conti
        
        equa passes through middle of africa
        
        large part of africa lies in northern hemis
        
        features
        
        sahara desert: worlds largest hot desert lies in africa
        
        NILE: worlds longest river flows through africa
        
        afri is only conti through which equa, trop of cancer, tro of capricon all three passes
        
        AUSTRALIA
        
        lies in southern hemis comple
        
        ISLAND CONTINENT
        
        aus is covered by water on 4 sides called as island continent
        
        smallest conti
        
        EUROPE
        
        arctic circle passes through europe
        
        covered by water on three sides
        
        peninsula
        
        west of asia and smaller than asia
        
        ANTARCTICA
        
        lies in southern hemis comple
        
        southe pole lies middle of antarctica conti
        
        since it is in polar region this area is permenantly covered with thick ice sheets
        
        and no proper human settlement as temp are very less
        
        signifi: this conti has research centers of various countries
        
        this reserch centers study about global climate, changes in climate and its effect on envi
        
        ice sheets also hold info of past climate and help study pre cli and past cli
        
        MAITRI and BHARATI: indian research cen in antar
        
        ASIA
        
        lies in eastern hemis and largest continent
        
        asian conti occupies 1/3 land areas of overall land mass
        
        2/3 water
        
        1/3 land
        
        in this 1/3 asia occupies1/3 land
        
        URAL MOUNTAINS
        
        seperates europe and asia
        
        europe and asia combined landmass is known as eurasia(europe+asia)
        
        tropic of cancer passes through this aisa
    - - oceans
        
        from sea level elevation of land and depth of oceans are measured by consi this sea le as 0
        
        deepest point in earth
        
        MARIANA TRENCH in pacific ocean
        
        10,984 +/- 25 meters from sea level
        
        highest point on earth
        
        peak mount everest
        
        first women to climb
        
        first indian women to climb
        
        first men to clinb
        
        8,484 meters above from sealeve
        
        sea level throughout earth is same
        
        all oceans on earth are inteconn