Respuesta :
Answer:
Mary uses technical language to explain magnetism
Explanation:
The writer is saying in this sentence how Mary is using science and technology to explain a more advanced topic.
The best example of a writer using formal writing is C. Mary uses technical language to explain magnetism.
What is formal writing?
This type of writing is written formally following social rules and etiquette in writing in a short, concise manner to convey information.
Mary using science to explain an advanced topic is a typical example of a formal writing, because it follows a rule.
Read more about formal writing here:
https://brainly.com/question/24140747