Water is a resource that will never run out. As long as the water cycle is in progress then Water will continue to exist.
Humans may live for a few days but humans will not survive for several days if they do not drink because it is absolute that most of the human body-forming substances that consist of 73% is water.
Therefore water is very functional and contribute to the life of living things on this earth. It is important for us as human beings to always preserve and maintain the water that we use to maintain its sustainability by doing good water management such as savings, not disposing of waste and waste that can make water pollution so it can disturb the existing ecosystem.