Basic General Knowledge
The exhaled air contains

a mixture which has more carbon dioxide than oxygen
a mixture of carbon dioxide and nitrogen
a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage
carbon dioxide only

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Basic General Knowledge
The UN Flag is made up of

the white UN Emblem is super-imposed on a light blue background
the red UN Emblem is super-imposed on white background
the light blue UN Emblem is super-imposed on white background
None of these

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