I would say A. puberty :)
I think that she could have some pain problems or maybe she could go to the hospital and see what she needs.
Answer:
A myocardial infarction is a heart attack.- TRUE
Answer:
yellowing teeth
Explanation:
I think this is the least likely experience because I feel that the only way your teeth can truly start to yellow is if the cigarette is directly in your mouth. (I am not sure if this is correct this is based off of my knowledge)