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Properties of Seawater (Physical Properties (pressure (the weight of the…

- - - - contributes to greenhouse effect
      - Plants use carbon dioxide to produce food
      - Algae & phytoplankton are marine photsynthetic organisms
    - - Dissolved oxygen is source of oxygen in ocean
  - - - essential component of tissues
      - part of amino acids --> proteins
      - formation of chlorophyll in plants
      - component of genetic materials (RNA, DNA, nucleic acids
    - - nitrogen cycle
        
        ammonia enters system
        
        animal excretion
        
        decomposition
        
        sewage
        
        Ammonia to nitrite (NO2)
        
        Converted to NO2 by nitrosomal bacteria
        
        Nitrite to Nitrate (NO3) - Called "nitrogen fixing
        
        Nitrobacter converts NO2 to NO3
        
        Nitrate is usable form for plants
        
        Planst take up nitrate (NO3)
        
        Animals eat plants to get nitrogen
        
        Dead organisms decompose
        
        cycles ammonia back into system
      - lightening
      - sewage from runoff
      - fertilizers in runoff
  - - - weathering of rocks
      - recycled through Earth System
      - detergents in runnoff
    - - formation of genetic material (RNA, DNA)
      - formation of energy molecule (ATP)
      - component of cell membranes
    - - plants get from soil
      - animals eat plants
      - moves up through food web
- - - - lowers pH of seawater
    - - shells and exoskeltonsskeletons
- - - - Carbon emissions
      - fertilizers
      - detergents
      - sewage
    - - decomposition uses up dissolved oxygen in water
      - causes "hypoxia" - depleted oxygen