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Science Bowl Question

📅 NSB 2017🎓 HS🔄 Round 11#️⃣ Q4❓ TOSS-UP📝 Multiple Choice

Which of the following correctly explains why fish cannot breathe outside of water?

W) Air contains less oxygen than water
X) Their gas exchange systems are tuned to dissolved oxygen
Y) In air, their gills collapse
Z) Air provides more structural support to the fish
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