Option a: qualitative data uses words, while quantitative data uses numbers.
Qualitative data are observed, not measured. Quantitative data can be measured.
He is motivated by vengeance for how he was treated.
Let's review what are parentheses for: <span>Parentheses, always used in pairs, are used to to provide additional information. What is inside parentheses is not the most relevant information. Inside the parentheses you can have a single word, a fragment, or multiple complete sentences.
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This being said, the right answer is:
B. Parentheses may be used to emphasize a counter argument.
I hope this helps.
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