rain water
Canada.
North America or Europe.
Michigan has the best water system in America.
Hydrogen. The combustion product is water.
The cleanest water in a house is typically water that has been through a water filtration system, such as a reverse osmosis or carbon filter. These systems remove impurities, contaminants, and chemicals from the water, providing clean and safe drinking water for household use.
The drinking water in Antarctica is either melted blue ice -- i.e., no other minerals except oxygen and hydrogen, or desalinated sea water. It is the most delicious water ever tasted, some would say. 'Cleanest' means nothing else in the water, and under this definition, any desalinated sea water or melted blue ice would qualify as cleanest.
Switzerland has the best drinking water. Switzerland's percentage is 95.5.
Scotland has some of the cleanest water in the world! The tap water is very safe to drink.
Cleanest.
Pakistan is the cleanest country in the world
The kitchen is the cleanest room in my house.
a dog actually has the cleanest mouth