The answer is A) preventive :)
The top number is the maximum pressure your heart exerts while beating (systolic pressure) the bottom number is the amount of pressure in your arteries between beat (diastolic pressure)
I would say the breasts......
A carcinogen is defined as an agent (e.g. chemical) that can increase the risk of cancer.
Exposure to the carcinogens present in tobacco smoke increases the risk of developing cancer.
It causes lung cancer.
Hope this helps!