The answer to this question is: 20%
These demographic of students are the mixture of the students who want to focus themselves on the study, have some sort of medical illness that prevent them to do so, or the students that simply have a general personality that do not find being around alcohol and social situation very pleasant.
If you do not have options, I believe your answer is obesity.
If you do have options and this isn't one of them, please comment on this question and tell me what your options are. I would love to help.<span />
Answer:
B. a substance that sends the immune system into action
Explanation:
First of all you always develope a strategy no matter what u do so its A
