State the name of the underlined phrase in the following sentence. The curator placed the unique artifact under the styrofoam in the large crate. a. adjectival b. noun phrase c prepositional d. participial

The underlined phrase "under the styrofoam in the large crate" is a prepositional phrase. It begins with the preposition "under" and includes the noun "styrofoam" and the prepositional phrase "in the large crate." Therefore, the correct answer is:<br /><br />c. prepositional