Treating water is used to remove harmful substances before drinking, and for a scientist, water is H2O whether from the Ganga or a tap. Given these facts, why do we generally treat H2O among the following options:
- to add water to crops
 - hydration
 - vaporization
 - to water the garden
 - to drink it
 - looseness
 - to track it
 - evaporation


 

     to drink it    