Answer:
I'm not too sure but I think it's the answer B
YES! The current schedule messes with teens sleep patterns. Teens get tired at 11pm. So if 1st period starts at 7am thats not enough sleep. Yet younger kids, (more awake in mornings) have later start times.
Semicolons should not be used between a dependent clause and an independent clause.
The answer is B, subject and predicate.
