An article that explains things clearly using facts and without emotion may have a formal tone.
1. **Explanation:**
When an article is written in a formal tone, it typically presents information in an objective and factual manner, without injecting personal feelings or emotions into the text. This helps to convey information in a professional and straightforward way.
2. **Example:**
For instance, a scientific research paper that discusses the results of an experiment would likely use a formal tone to present the data and findings accurately without bias or emotional language. The focus would be on providing clear information based on facts rather than subjective opinions or emotional expressions.
Therefore, in the context of the question provided, the most suitable tone for an article that aims to explain things clearly using facts and without emotion would be a formal tone.
