It is a adverb clause.
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The correct answer should be D. 84 percent
It was one of the Roman Catholic Church's most important ecumencial COUNCILS. Prompted by the Protestant Reformation, it has been described as the embodiment of the Counter-Reformation.
The answer to your question would be that the sentence that uses two prepositional phrases is the following one: The helicopter landed among the cars in the parking lot. The two prepositional phrases in the sentence are "among the cars" and "in the parking lot".
A prepositional phrase is a group of words made up of a preposition and its object. The object may be a noun, a pronoun, a gerund or a clause. What is more, a prepositional phrase functions as an adjective or adverb.
Based on the sentence, the adverbial clause is "after he finishes football practice". Adverbial clause is a set of words that is usually preceded by subordinating conjunctions such as after, if, etc.It usually answers the question when, where, what, how or by how much.
