Answer :
1. Top five largest country by side [China: 4, US: 3]
2. High percentage of agricultural lands [China: 54.7%, US: 44.5%]
3. Volcanic activity
4. Frequent emitters of carbon dioxide
2. High percentage of agricultural lands [China: 54.7%, US: 44.5%]
3. Volcanic activity
4. Frequent emitters of carbon dioxide