Why do we need water?
To swim.
Why do we need water?
To clean.
Why do we need water?
To make energy. (Hydropower)
Why do we need water?
To water plants.
Why do we need water?
To flush the toilet.
Why do we need water?
To drink.
Why do we need water?
To cook.
Why do we need water?
To play.
Why do we need water?
To have a shower.