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Ecosystems (Aquatic (Marine (Facts (Salt marshes, Estuaries, Coral reef,…

- - - - Salt marshes
      - Estuaries
      - Coral reef
      - The average depth is 3,800 metres.
      - Atlantic, Pacific, Indian and Arctic oceans.
      - Mangroves
  - - - 3% of the water comes from fresh water
      - 700 different species live in fresh water
      - Factors to tell the difference between streams & rivers - flow of water, amount of light, the temperature or climate and the Chemistry of the river.
      - The Nile, (the longest river in the world) is a part of a fresh water biome.
      - 99% of freshwater is in the form of ice or aquifer.