on the left side, about 75% water, mostly saltwater only 3% is fresh water. small quantities of fresh water so that people do not know it just makes the protection of water resources is increasingly contaminated so as soon as the weather changed, such as floods, droughts, hurricanes, etc .. .
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)