Which would most likely be found in informal writing?

scholarly language
complex sentences
opinion statements
lengthy descriptions

(C) opinion statements

Explanation:

Formal writings, can be described as a type of writing that is done in a business or academic setting, or other contexts that require the use of formal language.

We can typically ascertain whether a written document is intended for this type of settings based on the language it uses: it tends to use words that you don’t commonly encounter in conversational settings; book language, so to speak. Another characteristic is the complex sentence structure; you would rarely see a sentence where only a subject and verb exists, without being accompanied by other word types. It would also use lengthy descriptions – long winded explanations for things that can actually be summed up shortly.

These things – you would never find in informal writing; however, you will find (C) opinion statements, in informal written communication; such as text messages, chats, and informal letters.  

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maby a teacher

i just dont know what you have it is not showing up on the screen