The answer is C genetics is something you can't control
Hypercapnia, also known as hypercarbia and CO2 retention, is a condition of abnormally elevated carbon dioxide (CO2) levels in the blood. Carbon dioxide is a gaseous product of the body's metabolism and is normally expelled through the lungs.
Fats I am pretty sure. Sorry if I am incorrect.
The correct answer to this should be a, to comply with the new rules while still encouraging cigarette purchases via visual exposure.
let me know if you have any further questions
:)