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    • Planet Earth from space.
    Rights: Public domain Published 22 June 2014, Updated 30 April 2023 Size: 140 KB Referencing Hub media

    Water covers nearly three-quarters of the Earth’s surface. It is found on the land, under the ground and in the atmosphere.

    Image courtesy of NASA.

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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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      2. ARTICLE

      HO on the go, the water cycle – introduction

      Earth is called the blue planet due to the abundance of water. About 70% of the surface of the Earth is covered by water, and it is the only natural substance that can be found on Earth in all ...

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      3. ARTICLE

      Water

      Water seems to be everywhere in New Zealand. Oceans surround us. There are hundreds of lakes and rivers. Some South Island regions get more than 10 metres of rain each year. We have so much ...

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