D is the answer cause a complex sentence has one dependent clause and one independent clause
Answer:
Significance to a person. How much it's worth, It might be special to a person
Explanation:
I think it’s 4. Every day in the US, ten people die from swimming.
13. Command
14.A
15. B.
16. C
17. I'm not positive on this one. However, I am going to guess run on simply because they're should have not been a and in between.