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    • 3 pie charts showing Earth’s water distribution.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 15 April 2009 Size: 110 KB Referencing Hub media

    Over 70% of the Earth’s surface is covered in water, yet most of this is made up of seawater in oceans. Just a small amount is freshwater.

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      ARTICLE

      Water origins

      Water contains atoms of oxygen and hydrogen, and life on Earth would not have evolved without it. Fruit and vegetables are made of 80% water, and our bodies are 60–70% water. (We lose about 2.5 ...

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