Air has

________ keep our body strong and fit.

___________ keep our  body fit and strong .

Air contains  _________ particles.

Wind pushes  the water  in the rivers  and the sea, and causes

A very strong wind is called

We  must breathe  _________for health.

Wind makes the fan of  a ___________ move.

While  sleeping  we should  keep our face

 The ___________ from factories  and vehicles  makes  the air impure.