Adjectives and Adverb phrases relate to prepositional phrases because if you remember what an adjective is, it describes a noun and then an adverb i believe can describe a verb, adjective, and other adverbs. Both adjective and adverb phrases contain prepositions, there fore relating them to prepositional phrases.... I hope this is what you were looking for and answered your question... :)
Answer: C (The 1918 Spanish flu was the most deadly flu to date.)
Explanation: It's correct on the test
Answer:
It all depends on the passage.
Explanation: