The exhaled air contains Options: A . &nbspcarbon dioxide only B . &nbspa mixture of carbon dioxide and nitrogen C . &nbspa mixture which has more carbon dioxide than oxygen D . &nbspa mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage

The exhaled air contains

Question

The exhaled air contains

Options:

A . carbon dioxide only

B . a mixture of carbon dioxide and nitrogen

C . a mixture which has more carbon dioxide than oxygen

D . a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage

Answer: Option D

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