It's water
because of the molecules that make it up, 2 hydrogen and 1 oxygen.
1. Obtain glass slide (Tip: 30cm X 30cm square will be good) 2. Breathe on glass. 3. When you breathe out onto glass and look under a microscope, you can see water. It will quickly evaporate before...
By desalination
Bottled water is more healthful than tap water, assuming that the bottled water is not tap water to begin with.