<em><u>PLATO ANSWER:</u></em><em> </em>A and C
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Answer:
The advantage of this is that there is a larger surface area exposed, more time available and shorter difference for exchange of oxygen.
Explanation:
Gas exchange in humans is the delivery of oxygen lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
D) Natural Gas i think is correct sorry if im wrong
