In composition, unity is the quality of oneness in a paragraph or essay that results when all the words and sentences contribute to a single effect or main idea. Also called wholeness.
For the past two centuries, composition handbooks have insisted that unity is an essential characteristic of an effective text. Professor Andy Crockett points out that the "five-paragraph theme and current-traditional rhetoric's emphasis on method reflect further the expediency and utility of unity." However, Crockett also notes that "for rhetoricians, the achievement of unity has never been taken for granted" (Encyclopedia of Rhetoric and Composition, 1996).
Certain processes, models, questions, and ideas are applied by the reader, resulting in improved clarity and comprehension. When a reader "skims" a text, the reader just sees the surface qualities and information.
You should take a deep breath
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I think it is the phrase however, with the way Sahara is growing in size, it may soon become larger than Antarctica
Good question.. but you don’t really explain the question