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20-11-2020
Biology

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Which of the gases have about the same concentration when a person inhales and exhales?
O A. nitrogen and argon
O B. oxygen and nitrogen
C. argon and carbon dioxide
OD. carbon dioxide and oxygen

Respuesta :

20-11-2020

Answer:

Carbon dioxide and OXygen because the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide.

Explanation:

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