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.
What is the book or whatever called
Theses are what I could find I’m sorry if any are incorrect or missing
I would choose Dracula by Bram Stoker. It interests me more than Twilight by Stephanie Meyer because Dracula is more horror rather than romance. Although both are about vampires, Dracula seems more fascinating. I would like to learn about Count Dracula.
I don’t get the quistion but a conjunction thanks for the points tho haha