Answer:
punctuation - has a formal greeting
editorial - contains facts
business letter - may contain both fact and opinion
propaganda - an exclamation mark
green with envy - uses persuasive words
advertisement - techniques used to change and control people's opinions
letter to a friend - cliché metaphor
nonfiction - has an informal closing
adverbs - describe action words
thesaurus - contains different words that mean the same or the opposite