Tamilnadu Samacheer Kalvi 8th Social Science Geography Solutions Term 2 – Chapter 2 Hazards -English Medium
8th Social Science – Geography Book Back & Questions Answers (solution) Term 2 2. Hazards 8th Social Science Geography Solutions Term 2 – Chapter 2 Hazards Tamilnadu Samacheer Kalvi – English Medium I. Choose the correct answer ……………. percentage of nitrogen is present in the air. (a) 78.09% (b) 74.08% (c) 80.07% (d) 76.63% Answer: …