Question

what should we not waste water?

Answer 1

we should not waste water because water is our life

Answer 2

we should not waste water because it is a very important part of everyone's life...

we can live without food but not water...

without nothing in the world will  process...even  the human beings, even the plants, even the industrial machines..

so to go about our life peacefully  and fruitfully we have to save water and use it in a proper way by  not wasting it