4. Penalties are higher for selling or using drugs a. within city limits b. across state lines c. after dark d. near a school d b C a

## Step 1<br />This problem is a multiple-choice question related to the legal consequences of selling or using drugs in different situations. The question asks us to identify the situation where penalties are higher for such activities.<br />## Step 2<br />The options provided are: within city limits, across state lines, after dark, and near a school. <br />## Step 3<br />The penalties for selling or using drugs are generally higher when the activity is done across state lines. This is because the transportation of drugs across state lines is considered a federal crime, which carries heavier penalties than local violations.