Skinny Dipping
The answer is "naked." In this cryptic clue, "the convict" implies someone stripped of their clothes and "has nothing" refers to being without clothing. "On in the water" suggests being submerged or floating in water while naked.
Water in a gas phase is called water vapor. It is the gaseous form of water and is invisible to the naked eye.
Because someone is using water somewhere else. For instance, if you are having a shower and someone flushes the toilet, the water going to the shower is decreased because some is going to the toilet now.
water nymphs are naked women who live in water.
Evapotranspiration
Freezing
I work in a library and there is no book called Water Cat in my system so I'm going to say no
hydronaut
Two sentences using the word molecules would be: The smallest units of water are called molecules. Molecules cannot be seen by the naked eye.
Of course it is called "sewerage treatment"
The thing that the water goes into is called the drain. And the thing you put in it to stop is called a plug.
Generally the pull of transpiration (evaporation of water through the leaves) will pull water in from the roots. Adhesion and cohesion also allow the water to move up the xylem of a plant (through capillary action).