The rising action ends, and the reader experiences the greatest emotional impact of the story at the of the story.
a. denouement
b. exposition
c. climax
d. conflict

C) Climax.

Explanation: The climax of a narrative is that particular point in a narrative at which the conflict or tension hits the highest point, and it often leads to the resolution (solution of the conflict). So, from the given options, the one that completes the sentence correctly, is the corresponding to option C: The rising action ends, and the reader experiences the greatest emotional impact of the story at the climax of the story.

the autor of the text is bringing the point that one achievment of the president john f. kennedy was a success and this caused the next president to use a similar idea. the purposefor the use of the quotation in the text is to support the idea that peace corps was a result of the president's call. in this case, the quotation is presented as part of the writing and does not stand on its own.

answer a.

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.