The item in italics introduces a conclusion in

a

“That means some $ 6.9 billion in extra utility costs per year …in addition to other costs such as land use.” (lines 19-22)

b

“but divorce is an overlooked factor that needs to be considered,” (lines 31-32).

c

“Don’t feel superior, though, married folks” (line 37)

d

“So, what motivates someone to figure out the environmental impact of divorce?” (lines 38-39)

e

“I was surprised because the divorce rate actually has been up and down for many years…” (lines 47-48)

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