Water is one of important factors for human living. But the man made the water's gone... The...Our world is the% 70 portion in the amount of water available in the world, and all 3 status (solid, liquid and vapor or gas). There are about 1 385 million cubic meters, mainly to 97 percent.3 is salt water in the oceans and seas, the freshwater only percentage 2.7
.At present, the population, the number of 1 in 5 is experiencing a serious shortage of water and intensified, which impact on the economy and livelihood of the people in those countries. Such as China, India, the United States.
การแปล กรุณารอสักครู่..
