The sun shines onto the water, the water gets very hot and turns into water vapour. Lots of water vapour creates clouds. The clouds create rain and the rain fills the rivers.

Rain, dams, rivers, sea, boreholes

Human bodies are made up of mostly water, water is needed to keep us clean, keeps us cool, helps the plants stay alive, cleans anything that is dirty such as clothes.

Fish, coral, oysters, shells, sand.