Water is made impure by _________

We cannot use the water from oceans and seas as it is very _______.

WE NEED ______________ TO BREATHE

RIVERS, PONDS, WELLS, SEA ARE ALL _________________

AIR IS USED IN _______________

VERY FAST MOVING AIR IS CALLED ______________

WE CANNOT _________,_________ AND ____________ AIR

WATER CHANGES INTO _____________WHEN WE KEEP IT IN THE FREEZER.

WE USE WATER IN ____________,___________,______________ AND ____________

WE SHOULD ALWAYS____________________WATER

Air is a mixture of __________.

We need _____________ to live.

Moving air is called _________.

Smoke from ____ ,____and _____ leads to air pollution.

Earth is covered with water. It is also called _________.

A light, gentle wind is generally called a__________.

Fish breathe in water through its_________.