Question

determine the legal bac limit for someone under the age of 21 is.
.00
.01
.10
.80
when a drug becomes necessary for a person to function.
tolerance
dependence
withdrawal

Explanation:

For the first question, in the United States, the legal Blood Alcohol Concentration (BAC) limit for drivers under the age of 21 is 0.00. This is a strict - liability law in many states to prevent under - age drinking and driving.
For the second question, when a drug becomes necessary for a person to function, it is called dependence. Tolerance refers to the body's reduced response to a drug over time, requiring higher doses. Withdrawal is the physical and psychological symptoms that occur when a person stops using a drug they are dependent on.

Answer:

First question: 0.00
Second question: dependence