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What are the properties of minerals?
colour, cristal, structure and hardness
What are the four spheres of the earth?
hydrosphere, atmosphere, biosphere and geosphere
What are the parts of the geosphere?
crust, mantle, outer core and inner core
What are the three types of rocks?
igneous, sedimentary and metamorphic
There are elections every...
4 years
There are two types of democracy
direct and representative
