Simone is a serious biker and frequently competes in road races. which answer identifies an adverb phrase and the word it modifies? the adverb phrase a serious biker modifies the word simone. the adverb phrase competes in road modifies the words races. the adverb phrase in road races modifies the word competes. the adverb phrase and frequently competes modifies the word biker.

The adverb phrase in road races modifies the word competes.

Explanation:

Adverb phrases are phrases (a group of words that is missing a subject) that modify, describe or gives further information of adjectives, verbs or other adverbs. They tend to provide information that answer the following questions: "Why?", "How?", "When?", "Where?" or "In what circumstances?".

In the sentence, in road races is the adverb phrase because it provides information about the place where Simone competes; therefore, it modifies the verb compete: Where does Simone frequently compete? In road races.