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5. When you breathe, your lungs absorb oxygen and release carbon dioxide. Which of these are your lungs releasing? (1) O (2) O2 (3) CO (4) CO2 (5) NH3
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5. When you breathe, your lungs absorb oxygen

and release carbon dioxide. Which of these are
your lungs releasing?
(1) O
(2) O2
(3) CO
(4) CO2
(5) NH3

User Irina Avram
by
8.1k points

1 Answer

10 votes
4 CO2 two atoms of oxygen combine with 1 atom of carbon and that’s CO2
User Rajni Gujarati
by
8.2k points
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