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Chapter 27: Biomes (The Current World Biomes (Dry Temperate Biomes…

- - - - permafrost
        
        soil permanently frozen
- - - - rain shadow
        
        decreased rain
        
        on landward side
      - desert islands #
        
        Smallest islands in the Bahamas
        
        Too flat to affect the air
        
        Extremely dry
        
        No streams or lakes
  - - - 23.5 degrees from perpendicular plane to orbital plane
      - Summer solstice
        
        June 21 or 22
        
        North pole directly towards sun
        
        Northern hemisphere
        
        Sun at highest point in sky
        
        overhead at noon
        
        people that live 23.5 N latitude
        
        1 more item...
- - - - Laurasia
        
        North America collided with Eurasia
        
        Appalachian Mountains
      - Pangaea
        
        super continent
        
        all land on globe connected
        
        225 million years ago
    - - Tethys Sea
        
        Waterway
        
        Between Northern and Southern Continents #
    - - Gondwanaland
        
        South America, Africa, India, Australia, and Antarctica
        
        South America and Africa were attached
      - Life still aquatic