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Science Bowl Question

📅 NSB 2021🎓 HS🔄 Round 5#️⃣ Q9❓ TOSS-UP📝 Multiple Choice

Which of the following is an application of the principle of inclusions?

W) Mineral size will decrease with increasing metamorphic grade
X) Any feature cutting across a layered rock must be younger than the rock it transects
Y) Porphyroblasts are older than their host rock
Z) Xenoliths are older than their host rock
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