Headings Water Search Questions 
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Water - General.
Water is essential for all life - nothing can live without water.
There is more water
on the surface of the
Earth than
any other substance.
Water moves between the surface of the Earth
and the atmosphere
(see the Water
Cycle).
Water has
many uses.
It is treated
on a large scale to make it safe to drink.
Water is used both as a solvent and as a coolant.
Water is an
important raw material for
many industrial processes
including the manufacture of ammonia and sulphuric
acid.
Many substances dissolve in water. Some of
these make water hard.
Some substances react with
water to produce acidic or alkaline solutions.
The sea contains a very large number of dissolved substances.
Headings Water Search Questions
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