Science- Air Around Us

1.

Major part of the air is constituted by

nitrogen oxygen carbon dioxide inert gases

2.

Which of the following gas helps in burning? ,

Nitrogen Oxygen Carbon dioxide Carbon monoxide

3.

Which of the following gas we use in breathing?

Carbon dioxide Nitrogen Oxygen None of these

4.

Wind is

air around us rising hot air air in motion none of these

5.

Air is present in

atmosphere soil water of ponds, lakes and seas everywhere

Congratulations