What is the difference between science fiction and realistic fiction?

Science Fiction Definition Science fiction is a genre of fiction in which the stories often tell about the science and technology of the future. ... Realistic Fiction Realistic fiction is made up of stories that could really happen. Contemporary realistic fiction is realistic fiction.

Explanation:

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the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !