Final answer:
The author of a research paper must watch their tone to ensure it is not inappropriate.
Step-by-step explanation:
In a research paper, it is important for the author to watch his or her tone and ensure it is not inappropriate. This is because a research paper is a formal academic document that requires a professional and objective tone. Using inappropriate language or a disrespectful tone can undermine the credibility and professionalism of the research.
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