<span>Florida's legal definition of controlled substances includes opium and its derivatives (opioids), as well as cocaine and all of its derivatives. These substances are referred to as "controlled" because they require a prescription from a doctor in order to obtain legally.</span>
Answer: A. Paris is an old city, but some is even more ancient.
Explanation:
A is a compound sentence because the there are two complete sentences in the sentence. “Paris is an old city” is a complete sentence. “Some is even more ancient” is another full sentence. If there are two or more complete sentence separated by a conjunction, then It is a compound sentence. B is not a compound sentence, because there is only one complete sentence.
People, vehicles and roadways are all part of the Highway Transportation System (HTS), a complex system designed to move people and things safely and efficiently from one place to another.
I'm pretty sure that's false, correct me if I'm wrong.