Ascientist has developed a cactus without thorns is it a fragment that contains no subject a fragment contain no predicate or a complete sentence

The following question asks about one or more selections from your literature textbook. you may use your textbook to answer this question. both “lob’s girl” and “jeremiah’s song” contain flashbacks. in a paragraph, explain what this plot technique adds to the stories. support your answer with one detail from each story.