Question

Why do you think the problem of water shortage is increasing day by day?

Answer 1

because of water pollution increasing day by day.
now people don't want to save water because there are large amount of clean water are available.but in future we have to conserve water because of pollution we cause.
i think in future the rate of water will increase and it become costly ,like petroleum.

Answer 2

This is because of the increase in population. As more and more people arrive to the world more water is being consumed. Also these days water pollution increases. In this way there is no clean water for us to use.

*consumed- used