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).
The answer is No rhyme scheme as that would transform it into Rhyme Poem Type
Answer: The answer choice that I would best conclude as correct would be letter 
Explanation: Hope this helps! Have a wonderful day! <3
Answer:
In lines 1-4, He uses summer to compare his lover with. Because it is hot, a time of passion, fun. Summer fades away, but his lover does not. Her beauty shines for eternity. Shakespeare uses the beauty in nature to communicate his insights about his beloved because to link him to this time of beauty, heat and passion.
