Sentence fluency is how a sentence is written and its flow to create a story. It is important because it does not create distractions for the reader and helps them focus in on the narrative.
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Answer:
At the end of paragraph 1, when the author says “First, we must develop many different ways of putting the waste from these nuclear and chemical substances in, on, and around the earth” it helps shape the reader's perception of the text as by starting to go into more details and more ideas on poisoning the Earth.
