Air: Importance, Uses, Properties, Solved Examples

The compilation of these Geography Notes makes students exam preparation simpler and organised.

What is Air?

What is Air? Have you ever wondered why do astronauts wear a helmet when they go to space? Or why do divers carry oxygen tanks with them while driving? Because there is an absence of Air in space and water which makes it impossible for people to survive there. Air is a basic need and people would die without it. Let’s find out more about it.