carbon dioxide
he turned water into wine
false
Because when you turn it upside down, the surface tension of the full glass of liquid, combined with atmopheric pressure provides just enough force to out-do gravity !
It will dissolve, either all of it or some of it depending on how much water there is to the salt.
Because lighter stuff float but Heaver stuff don't
I had this and it turned out I was just dehydrated. When I had some water, I felt much better.
Some of the ash will, but there will be bone fragments that will sink to the bottom of the water. You can purchase water soluble urns that can be placed in the water. They float for a few minutes and then sink.
Bird baths are stone structures placed in backyards that are filled with water. Some can hold many liters of water whereas some can barely hold a liter.
Not sure if there is a special tool, but a simple speaker placed in some soft water-proof case should do the job.
Freezing of water release some heat.
Some frequencies of light are attenuated by water vapor.
There are many different types of wood. Some woods are denser than water and will therefore sink. Some woods aren't as dense as water so will float. Also if the wood becomes saturated when placed in water it will most likely sink.