Desalination

The process of removing salt from sea water.

Theaverage family of four uses _____________ liters of water in one year.

To stay healthy, we need clean and safe water.

Used water is called __________________.

______________ is a lake build to store water.

Sewage contains lots of harmful germs and poisonous substances.

In a few countries, freshwater is obtained from seawater.

In many parts of Africa, children fetch their family's water from w (a)   .

Water taken from a river or reservoir is __________.

_____________is a slow moving river of ice.