R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Science Q. Carbon footprint can be reduced by (A) Using energy efficient appliances (B) Recycling waste materials (C) Commuting by public transport (D) All of these 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) All of these You must be Logged in to update hint/solution 💬 Discussion 💬 Comment