Read the sentence below and complete the instruction that follows. The crater, estimated to be 50,000 years old, was the result of a meteorite, a mass of stone or metal, crashing into Earth. Identify the word that the underlined appositive phrase renames.

An appositive is a noun or noun phrase that renames or explains another noun. In the sentence, “a mass of stone or metal” explains what a meteorite is, so it renames “meteorite.” The correct choice is meteorite.

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