There are __________ major oceans in the world.

The longest river in the world is __________.

The ___________ Ocean is the largest and deepest ocean of the world.

The Southern Ocean is centred around the North Pole.

Seas which are parts of open oceans are known as ____________ seas.

Large bodies of salt water or fresh water which are entirely landlocked are known as ___________ seas.

The ___________ Ocean is the only ocean in the world that is named after a country.

A ________________ is the starting point of the river.

The place where the river pours (THROWS UP) into the ocean or large lake is called the ___________.

Rivers are polluted by the following things.

The Indian Ocean stretches between ____________ and _________ .