It emphasizes Usher's sense of terror.Repetitively saying "I dared not" shows his deep discomfort state of mind, whereas the parallel use of simple perfect tense in an interrogative sentence ("said I not") adds to the completely disoriented senses, as Usher can't tell the truth from the troublesome fiction of his own mind.
The correct answer should be - <span>With a little effort, people could easily protect this resource by conserving it.
These two sentences in the paragraph are talking about the importance of water, so it is only natural that the correct answer should contain information about its preservation. The other options either move away from the topic or do not show such importance of water, which is something they should do.
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The central idea was freedom. In her story, Philis convey the struggle that American people has to acchieve it and how she supported George's Washington effort to fight and obtain it. She simply talks about him being a symbol of a hero and that she's sure he was going to win the war. The tone of the letter seems to be earnest and heartwarming
I would say the author means that it would be impossible, or would require tech that today's tech cannot do.
science fiction, or fiction, usually means make believe or fake.
I believe it is the work we enjoy is not really work
