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The respiratory system is responsible for the exchange of oxygen with which gas? A. Nitrogen B. Water vapor C. Hydrogen D. Carbon dioxide
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1 vote
The respiratory system is responsible for the exchange of oxygen with which gas?

A. Nitrogen
B. Water vapor
C. Hydrogen
D. Carbon dioxide

User AFH
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2 Answers

5 votes

The correct answer is Carbon Dioxide

I took the test, this was the correct answer.

User Robin Rieger
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0 votes
The answer would be D. Carbon dioxide
User Ankit Adlakha
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