one place where water scarcity is, is Ghana
What happening is the water droplets have evaporated.
water ponds
Every where!
Evaporation
sleet
Depending on how much salt you add to the water and how warm the water is... the salt will disolve
You need to be more specific, what exactly is happening to the water?
The fish are drinking it. Get rid of the fish
It seems that your question is incomplete or lacks context, as "d" is not defined. If you can provide more details about the specific scenario or conditions related to water, I would be happy to help explain what is happening.
a place where water is replaced
A chemical bond breaking.
The Atmosphere