Nicotine contributes to plaque build up in the blood vessels, increasing the chance - of
O A) Hardening of the arteries
OB) Diabetes
C) Ulcers
D)
Lung
Cancer

The answer is A hardening of the arteries

Im sure the answer is a

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Ibelieve it would be d (side effect) sorry if i'm wrong(: