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Science Bowl Question

📅 NSB MS 2007🎓 MS🔄 Round 15#️⃣ Question 14❓ TOSS-UP📝 Multiple Choice

Which of the following is NOT true about rocks:

W) corundum is harder than quartz
X) pyrite is also known as ‘fool's gold’
Y) halite occurs as a perfect cubic crystal
Z) felsic rocks contain large amounts of magnesium and iron
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