To figure out the empty spot you add all the percents up then subtract 100. That means that the answer is 11 for the section
Looking up the word the way you think it is spelt.
You didn't italize or mark the phrase, but I see one good candidate:
"The circus animal trainer" is in a way another name given to Mervin, a kind of "renaming" him: this is called an appositive phrase, so if this was the phrase appositive phrase is the answer! (also, I don't see the other phrases here).
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The denouement is the final outcome of the story generally occurring after the climax of the plot.