Geography

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  • Geography
    • Tectonics
      • Four concentric layers
        • Inner Core
        • Outer Core
        • Mantle
        • Crust
          • Continental
          • Oceanic
      • Distribution
        • The Earth's crust is broken up into pieces
        • Heat rising & falling creates a convection current
          • Moves the plates
            • Converge= Toward each other
            • Diverge= Move apart
            • Plate Tectonics
              • Cause earthquakes & volcanoes
                • The part where two plates meet is a plate boundary
                  • Constructive= move apart
                  • Destructive= move toward
                  • Conservative= slide past
    • Climatic Hazards
      • Droughts
        • Not enough rainfall to supply people or crops.
        • Huiman causes
          • Over population, Deforestation
          • Over extraction, Politics
        • Natural causes
          • Weather
          • El Nino
          • Global warming
      • Desertification
        • Occurs where land is turned into desert.
        • Human Impacts
          • Crops & cattle die- famine
          • Death
          • Migrants move to cities
            • Informal settlements
            • Shanties
            • Already over-populated
        • Physical Impacts
          • Flash floods, Cracked Soil, Loss of plants & animals
          • Soil erosion, Gullying, Dry Rivers
          • Growth of desert & Sand storms
    • Aid
      • Types
        • Long-term
          • Advanntage: Sustainable development
          • Involves providing local communities with education & skills
        • Emergency
          • Advantage: Saves lives in times of disaster
          • Dis- advantage: Can increase dependancy
          • Needed for sudden disasters
        • Tied
          • One country donates to another with conditions
          • Dis- advantage: Usually benefits the MEDC only
        • Multilateral
          • Given through international organisations
          • Dis-advantage: can be very Top-down
  • Types
    • Long-term
      • Advanntage: Sustainable development
      • Involves providing local communities with education & skills
    • Emergency
      • Advantage: Saves lives in times of disaster
      • Dis- advantage: Can increase dependancy
      • Needed for sudden disasters
    • Tied
      • One country donates to another with conditions
      • Dis- advantage: Usually benefits the MEDC only
    • Multilateral
      • Given through international organisations
      • Dis-advantage: can be very Top-down

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