Answer :
The elements that maintain a formal style and tone in writing are academic tone and objective language.
What is formal style and tone?
It is the writing style used for professional and other formal contexts. It must be error-free in terms of language, grammar, spelling, and punctuation. For some letters, a more formal tone may also be appropriate, such as if you are complaining to an organization.
Academic language in writing is typically very formal, technical, and objective (impersonal). Avoiding colloquial "or conversational language, such as contractions or informal" terminology, makes anything formal.
Fact, observation, and logical reasoning are frequently the foundations of objective language. Writing in an objective manner means avoiding the expression of one's prejudices, feelings, or opinions.
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