Dramatic irony, since we know something the characters don't.<span />
Answer:
A) to convince the reader that Charley is a good traveling companion and friend.
Explanation:
I took the test and got it right-
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The answer is conduct research to gather relevant facts and details of the era.
The rest are important but you can't really create plots or characters until you know the context that you're putting them in.
Explanation:
"If I Forget Thee, Oh Earth" is the story of Marvin, a child who lives in a lunar colony. One day, his father (who is also the head scientist) drives him across the surface to see a glimpse of Earth, glowing with lethal radiation. Marvin recalls that Earth was made uninhabitable in a nuclear war.
