Question

review the water quality report and then answer the question.
summerfields drinking water comes from the li river. the watershed begins on the slopes of mount eagle and flows nearly eighty - five miles from the rivers headwaters. naturally occurring fluoride in the li river is less than 0.5 ppm (parts per million), which is the detection limit for analyzing fluoride. the water is made safe to drink through conventional treatment methods and consistent monitoring.
what is the texts main purpose?
to inform residents about the source and content of summerfields drinking water
to demonstrate the importance of protecting the li river watershed
to inform residents that fluoride is safe to drink
to encourage residents to drink more water

Explanation:

The text describes the source of Summerfield's drinking water (Li River, watershed details), the fluoride content, and how the water is made safe. The other options are incorrect: the text does not focus on protecting the watershed, only mentions fluoride level (not promoting fluoride safety), and does not encourage drinking more water.

Answer:

to inform residents about the source and content of Summerfield's drinking water