Final answer:
The range of BAC (blood alcohol concentration) refers to the amount of alcohol in a person's blood, with higher levels corresponding to greater impairment and potential health risks.
Step-by-step explanation:
The range of BAC (blood alcohol concentration) refers to the amount of alcohol in a person's blood. The correct range of BAC options listed in the question are:
- 0.18 to 0.30
- 0.30 to 0.50
- 0.50 to 0.80
- 0.80 to 1.00
These ranges indicate the level of alcohol intoxication, with higher levels corresponding to greater impairment and potential health risks.