?Each factor is certainly responsible for some of this variation, although which is the major contributor remains a topic of discussion.
I'm at a loss as to how to grammatically analyze this part "which is the major contributor remains a topic of discussion".
What is the subject of the verb "remains"?
I can't see where the subject of "remains" is.
fire1 What is the subject of the verb "remains"? It's the interrogative content clause "which is the major contributor". " CJ
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fire1What is the subject of the verb "remains"?
It's the interrogative content clause "which is the major contributor".
It's like saying this:
The topic of discussion is the question "Which is the major contributor?"
CJ
Each factor is certainly responsible for some of this variation, although which is the major contributor remains a topic of discussion.
Adverbial clause introduced by a subordinate conjunction although: although which is the major contributor remains a topic of discussion.
Pr