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CH3041
THE EARTH:
A CHEMICAL SYSTEM
1)Atmosphere
Troposphere  0- 15 km  90% (mass)
Stratosphere 15- 50 km  9%
3) Hydrosphere
Freshwater     0.7 % (vol)
Seawater      97.3 % (rest - ice)
2) Lithosphere
Crust                0-   40 km
(Upper Mantle 40- 700 km)
1024 g
   MgO,
SiO2
    Ni, Fe(s)
Western Ultra Deep
Levels Au mine 5km
Mt Everest = 8.8km
Radius = >6000km