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Unit 2 Science (The Spheres of Earth (Atmosphere (Crucial to life on Earth…

- - - - Acts as Insulation
        
        Prevents over heating
        
        Prevents Dramatic Cooling
        
        Ultraviolet Light
  - - - 97% in Oceans
- - - - Beaver Pond
      - Forest
      - Coral Reef
- - - - Sugar + Oxygen --> Energy