Which sentences are you talking about
-A noun clause<span> is a dependent </span>clause<span> that can be used in the same way as a </span>noun<span> or pronoun.
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Answer:to clearly communicate expectations
Explanation:
I am sort of puzzled on this particular question; however, I think I solved it. Okay, so the text starts with explaining the benefits of coffee, then it proceeds to explain the negative affects of consuming coffee. Transition words like <em>on the other hand</em> are commonly used when contrasting ideas. Hence, I believe the correct answer is c. contrast.