Question

why is natural water not considered to be safe for drinking​

Answer 1

Answer:

Search on Google

Explanation:

Its very simple just search Google then understand it and write it in your own words

Answer 2

Answer:

boiling and disinfecting the water may not make water safe if it is contaminated which harmful chemicals including natural metals such as arsenic or lead don't use natural and untreated water sources such as bodes rivers and spring