Answer:
I belive it is C., im pretty confedint
Explanation:
The difference between tobacco and smokeless tobacco is that the smokeless tobacco is something you could chew onto and causes more risk of a heart attack then by smoking tobacco. Tobacco is also dangerous and you would call it secondhand smoking since it’s nothing chewable. And simply just smoking tobacco from 1 to 7 hours could increase a heart attack risk by 24%.
Well you haven't provided any answer options so answer options include things like mountain climbing. Mountain climbing involves multiple systems and functions over a long period, with moderate being something like hiking the same mountain.
