There are 13 vitamins used by the human body to maintain health.
\lim_{n \to \infty} a_n \lim_{n \to \infty} a_n \geq \geq ?
<span>Direct versus indirect communication.
Trouble with accents and fluency.
Different attitudes toward hierarchy and authority.
<span>Conflicting norms for decision making.</span></span>
Cardiovascular system has to do with the heart, so anything to reduce the risk of that system (including the heart, bloodstream etc.) would be the answer for you. So just using Process of elimination:
A) Has to do with external exposure. <em>No</em><em />
B) Keeping hands clean <em>No</em><em />
C) Avoiding cigarette smoke <em>Yes</em>
D) Keeping your vaccinations up to date <em>No</em><em />
So your answer is C.
Answer:
I. Peer pressure could lead a student to use drugs/tobacco
II. Environment, their parents could be using tobacco which would could make them feel like it is right.
III. They might feel as if using drugs/tobacco could cure their sadness/depression.
hope this helps :)
