In the novel you are reading you reach a point in the story where the tension of the plot reaches its highest point which plot element does this part of the novel represent

there was a box in a bag in front of a house with a paper with it.a girl used it for an example, she then got a letter and went on a trip to go to a party in   a cabin and she only said one word""

faze apex of course.

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.