Cannot is formal, while can't in informal.
"Cannot" and "can not" are interchangeable, but when you are asking question for example:
"why can't I...", you can also say "why can I not..." (which is more formal), but you can't say "why cannot I..."
Answer: wore choice
Explanation:
Imagery and repetition are aspects of word choice. Imagery is a literary device that uses figurative language to create a picture with words for the reader.
Repetition is the literary device which has to do with when a word is intentionally used twice or more times for effect.
They are both aspect of word choice.
C. gathering and analysis of information
