Respuesta :
Answer:
D. Its vocabulary and grammar
Explanation:
- The main difference between informal writing and formal writing is the choice of vocabulary and words, and how to combine them.
- In this excerpt, the selected vocabulary, proper use of grammar, lack of colloquialism, abbreviations, and first-person pronouns such as "I" and "us" (not mentioned in the first person) are examples of passages, Formal writing.
- Grammar is a set of structural rules that regulate the composition of sentences, phrases, and words.
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