Page 68 - EVS Class 01

Air helps in burning too.

Circle the pictures where air is being used.

Air is a mixture of different gases that covers the Earth in a layer over 400
miles high. This layer is called the atmosphere. It contains roughly 78%
nitrogen, 21% oxygen and smaller amounts of argon, hydrogen, carbon

dioxide and other gases.

How do our wet hair dry after sometime?

* Air is essen al for our survival.
* Air helps in burning.

* Air helps in flying of aeroplane.

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