Accepted Answer
The author's argument can be considered valid and efficient, as it establishes a statement and fully justifies it.How can an argument be considered valid?When the argument is objective.When the argument presents facts.In “Water Flowing from Toilet to Tap May Be Hard to Swallow,” John Schwartz makes the case that wastewater is safe to consume, even though people are still disgusted by it.To justify this argument he shows facts about the purity of wastewater, the purification process, and the claim of experts in the field who reaffirm that wastewater is clean and safe.Learn more about strong arguments:https://brainly.com/question/4441773#SPJ1