Here's why:
* Complement: A complement is a word or phrase that completes the meaning of another word or phrase. It often provides information about the subject or object of a sentence.
* Noun Phrase: "Leftovers refrigerator" is the noun phrase acting as the subject of the sentence.
* Completing the Meaning: The phrase "looked moldy and smelled worse" tells us about the state or condition of the "leftovers refrigerator," completing its description.
In essence, the complement tells us how the leftovers refrigerator appeared and what its sensory qualities were.