Question

Which is a central idea of the passage? A Many areas of the world suffer from extended periods of drought. B Most water goes through a complex cleaning process before it is safe to drink. C Desalinization plants remove salt from ocean water to make it safe for drinking. D Ammonium sulfate and other chemicals are added to drinking water during processing.

Answer 1

Step-by-step explanation:

c. Most water goes through a complex cleaning process before it is safe to drink