how is clean water made
Through a filtering process
When the galaxy began 14.5 billion years ago
It is cleared by aquifers or hot springs
One way i can think of is "reverse osmosis".. its a purifying method.
Filtration, distillation, flockulation are a few of the most common methods.
Filtration, distillation, reverse osmosis...
many citys clean water with clorine
reverse osmosis (having a mesh that only molecules of water or smaller will fit through)