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Geography (Population (population types (hunter-gatherer society (small…

- - - - located near sources of raw materials
      - manufacturing
    - - sell excess food, make profits
      - more types of economic activities
    - - agriculture
      - semi-permanent
    - - small groups
      - gather food
      - hunt animals
      - mobile
  - - - the act of migrating from another location
    - - the act off migrating to another location
- - - - timber
        
        on the outside of the frame, to keep out the weather, rows of flat boards are nailed to form clapboards, which overlap each other so that the rain cannot come in
        
        used to make a wooden "frame" or skeleton
      - stone
        
        mostly used in cottages
        
        cut and smoothed into big blocks that can be built up like bricks
      - steel
      - fired bricks
        
        brick houses are generally made strong by having all the main walls two bricks thick
        
        two walls are built side by side which are joined to each other by having some bricks set so they make a bridge between the two layers
  - - - rammed earth
        
        involves developing a mixture of sand and clay, and compressing it within a mold to shape the walls, etc. Usually some form of insulation like polystyrene, polyurethane, or even old newspaper in the middle of the wall, which maybe also reinforced with steel rods
      - cob
        
        involves developing a loamy clay like mud compound and mixing straw or rice paddy husks into it to build strength
      - straw bale dwellings
      - bamboo
      - mud or adobe bricks