Answer:
the answer is b "To create concern about the water supply"
Explanation: be cause they would only tell us that information just to warn us about what we are putting inside of our bodies.
This sentence is mentioned to create concern about the water supply.
A sentence is a group of words which makes complete meaning.
Mentioned means to refer.
Create means to bring into existence.
Concern means to relate.
Water supply means to make availability of water.
This sentence serve to warn us that water plays a crucial role and to be cautious about what we take into our bodies.
Hence the correct option is (B).
To learn more about concern and water supply here
https://brainly.com/question/27702116
#SPJ2