The excerpt helps the authors arrive at their conclusion by providing statistical evidence, which is seen through the use of percentages, as stated in option C.
<h3>What is statistical evidence?</h3>
We have statistical evidence in a text when we provide information about large quantities of people or things in numerical form. In the excerpt we are analyzing here, we have statistical evidence whenever they mention percentages such as "95 percent" or "80 and 90 percent."
The use of such numerical data or statistical evidence helps the authors arrive at their conclusion, which means option C is the correct answer.
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Delivering a speech in a conversational style from a well-developed and researched outline is termed as <u>extemporaneous speaking.</u>
Extemporaneous speaking refers to the delivery of a carefully prepared speech that has been perfected, spoken informally while using brief notes. And a speaker who reads from a prepared manuscript can be effective when speaking extemporaneously.
Extemporaneous speeches are not read or memorized, so the speaker must be able to "think on their feet," which can be stressful but also foster a high degree of spontaneity and produce a natural, conversational style.
Extemporaneous speeches are more spontaneous because they are almost entirely created in the moment. However, because they demand extensive planning and research, they typically have much greater depth and are therefore typically the preferred approach.
Find more on extemporaneous speaking at : brainly.com/question/15705863
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I think it’s False but not 100% sure
