NOBODY REALLY KNOWS...........
Forever.
Yes, it is safe to drink sterile water as long as it has been properly sterilized and is free from harmful contaminants.
Around a couple of months
Yes, it is generally safe to drink the water from a brown coconut as long as the coconut is fresh and has not been contaminated.
Forever unless you have treated the water to make it potable.
The concept that explains this is the water cycle. Water on Earth is constantly recycled through processes like evaporation, condensation, and precipitation. This means that the water you drink today could have been around for billions of years, as it has been part of the Earth's water cycle for a long time.
Yes, it is safe to drink sterile water for hydration as long as it has been properly sterilized to remove any harmful bacteria or contaminants.
Man made water pollution has been around as long as people have. Natural water pollution has been around even longer, and it is when salt water flows into fresh water, animals die in water, or volcanic gases mix with water.
Yes, it is generally safe to drink water from a brown coconut as long as the coconut is fresh and has not been contaminated. The water inside is usually sterile and safe to consume.
they can drink as long as 20 min.
5,0000 years
Potable water is water that is safe to drink without causing long term health issues. The water that comes out of your sink is potable water meaning it has been treated for bacteria or other harmful substances and is deemed safe to drink.