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6 votes
when you breathe in air you bring oxygen into your lungs and blow out. A.Carbon dioxide B.oxygen C.carbon monoxide D.hydrogen​

asked
User Cadilac
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2 Answers

8 votes

Answer:

Carbon Dioxide

Step-by-step explanation:

answered
User Ianml
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8.4k points
12 votes

Answer:

Carbon dioxide

answered
User Sunil Sharma
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