Think about where water is not the need and elimonate the options
When your stomach is not well , waht kind of food will be easy to digest for you
Have you seen someone wasting water, if they were not doing that, then too will we be suffering from water shortage?
why do we boil milk?
Think of the problems we face by drinking unclean water
Think of why we have more rains in the region of south India
Think of a situation why one wil drink unclean water
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