It is normally 100-120 so it is the first option. I hope this helps you.
They can go solar, get gas they can get a generator
You can get a stress ball that releases tensions
hope this helps ya out <33 <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.
