📅 NSB 2013🎓 HS🔄 Round 16#️⃣ Q10🌟 BONUS✍️ Short Answer
By number, rank the thermal resistance of the following four insulation materials from greatest to least: 1) Glass, 2) Closed-cell polyurethane [pol-ee-YOOR-uh-thayn] spray foam, 3) Polystyrene [pol-ee-STY-reen] board, 4) Fiberglass batts.
✔️Answer:2, 3, 4, 1
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