H Harikesh 🎓 Tutor III ⭐ 8.04K Points 📊 Science Q. The major ingredient of leather is: (A) Collagen (B) Carbohydrate (C) Polymer (D) Nucleic acid 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) Collagen You must be Logged in to update hint/solution 💬 Discussion 💬 Comment