There are many natural contaminants out there. Here in Ohio we have issues with naturally occurring arsenic in ground water. The water may be fine, or it may not.
Limestone is a good natural water purifier
Rain is the natural source of water.
Melted snow or ice is a natural source of soft water.
a method of separation purify water
It takes a while to purify water
the ocean
Carbon is a source of natural groundwater pollution.
My water filter helps to purify the water I drink.
yes you can purify water from ocean but it takes forever so we dont
Oases.
No it was physicly proven to be incorrect to purify water with vinegar if anything the water just becomes contaminated
no it cannot purify