Water is one of the six components of the human body, so water provides material conditions for our survival. Besides, water can be seen everywhere in our daily life, and it is an indispensable thing in our life. Washing clothes, feeding livestock and so on. Back to our nature, scientists agree that water is a necessary condition for the origin of life on earth. The existence of water makes the earth have oceans, lakes and rivers. Water also exists in all kinds of creatures on the earth. For example, forests store a lot of water. Endless water, son, time will tell you what water is, and you will learn everywhere.