The answer you are looking for is c
The last choice, "Teens who sleep less than 5 hours a night suffer from more immune related illnesses according to a study released in 2015 by the American Journal of Medicine." It gives a source to where the information had been gathered.
Answer:
"C. Is it subjective or objective?"
Explanation:
Answer:
1
Explanation:
Since "when" is a subordinating conjuction, you have to put a comma after the first independent clause.
