_________ is suitable for drinking.

____________ is celebrated as World Water Day.

Water on Earth exists in ___________ forms.

The ___________ is the third largest of the world's oceanic divisions. 

__________ are very large water bodies.

The __________ is the largest Earth's oceanic divisions.

Large salt water masses smaller than oceans are called ____________.

The rhythmic rise and fall of ocean water twice in a day is called a

During a storm, the winds blowing at very high speed form huge ___________.

There are _________ major oceans.