Drink strength is also a variable that will affect BAC. Weight and Body Type – While people with lower body weight tend to be affected more by a given amount of alcohol; individuals with a lower percentage of body fat will have lower BAC levels than those with a higher percentage of body fat.
The answer is gender, I hope this helps! Please consider me for brainliest. There is a wonderful explanation by Ted-Ed check it out if you want a deeper understanding of how alcohol affects the human body
