Select the correct and entire subordinate clause of the sentence. a survey revealed that over 80 percent of polluters meet the federal regulations. the subordinate clause is

The correct answer is "that over 80 percent of polluters meet the Federal regulations2".

The subordinate sentence begins with a relative pronoun "that" in this case, all the since from that word to the full stop forms the subordinate or dependent clause, it is adding detail about the noun, which is one of the functions of this kind of clauses.

type of error:

the error in the sentence is a "dangling modifier". a dangling modifier is a phrase, word or clause that "dangles" because there is not target to modify. in this case, "after mopping the floor" is the dangling modifier since it has no word to modify. the noun "house" cannot mop the floor; therefore there is a mistake in the writing of the sentence.