The part "slab-sided" is the one that involves an inappropriate language for a typical formal writing.
This refers to the type of writing that is written for an audience that the writer do not know on a personal level. It usually more complex than informal writing, has a less personal tone and the language is more proper.
The word "slab-sided" is a slang and must not be used in a formal writing. It basically means having a flat sides, being tall, long and lank.
Hence, the part "slab-sided" is one that the involves an inappropriate language for a typical formal writing.
Therefore, the Option B is correct.
Read more about formal writing
brainly.com/question/2025619
#SPJ1
