Explanation:
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
for example:: if we have to find the cost of 1oo pen the first we will find the cost of 1 pen and we will multiply it by 1oo to get the cost of 100 pens
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A comparison and contrast purpose used in nonfiction writing
Definitely the answer is choice D. Rhetoric.
The definition of rhetoric is --> <span>the art of effective or persuasive speaking or writing, especially the use of figures of speech and other compositional techniques.
I hope this helps you and have a wonderful day!! :)</span>
