Diagram is more easy to understand.So much written,but one drawing makes it simple to understand. Students should improve their drawing skills at school level so the their exams marks can be improved. Lecturer Chandran WhatsApp 7019987266 #💡 Exam Motivation 💡 #🎓 ಪರೀಕ್ಷೆ/ಉದ್ಯೋಗ ಸೂಚನೆ 🎓