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Science Bowl Question

📅 NSB 2018🎓 MS🔄 Round 16#️⃣ Question 14❓ TOSS-UP📝 Multiple Choice

Mammals became dominant after a mass extinction at the end of what period?

W) Devonian [deh-VOH-nee-an]
X) Permian [PURR-mee-en]
Y) Triassic
Z) Cretaceous [creh-TAY-shus]
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