📅 NSB 2013🎓 HS🔄 Round 15#️⃣ Q24🌟 BONUS✍️ Short Answer
Arrange the following four substances in order of decreasing energy content in kilocalories per gram: 1) proteins, 2) organic acids, 3) fats, 4) ethanol.
✔️Answer:3, 4, 1, 2
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