Read the excerpt from “ambush.” he was a short, slender young man of about twenty. i was afraid of him—afraid of something—and as he passed me on the trail i threw a grenade that exploded at his feet and killed him. the excerpt is an example of
flashback, because the narrator is remembering a conversation with his daughter.
flashback, because the narrator is recalling an event that occurred during the vietnam war.
frame story, because the narrator is describing an action that he deeply regrets. frame story, because the narrator is explaining why he feels he must tell his daughter what he did.

answer: the correct answer is b. an essay that connects the writer's experience with a topic of significance and of reader interest.

explanation: the key words are here "personal experience" since personal essays give insights about peoples' experiences in life and introduce us in their unique world that can be or not to related to our lives but interests us because we are human beings and share the same condition universally.  

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.