New land is formed when rivers enter the ocean
so developed it's the highest quality of life,next would be newly industrializing has the second quality of life next would be developing country,and the lowest quality of life would be least developed country correct me if I'm wrong hope it helps,I'll explain u later
By people sailing or drifting from southeast Asia
20. is Memphis Tennessee
21. is Knoxville Tennessee
They are developed countries because the people there are healthy and educated.