Water is the most common substance on earth but have you ever wondered what it is made of? Find out what water is made of and why it is important for all living things.
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What is water?
You've probably heard water being called H2O, but what does this mean?
Find out more about what water is made of (its
properties
) and its special characteristics.
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Why is it important?
Water has many different functions and is necessary for the survival of all living things. |
Learn about water: Definitions