If your score has a percentile rank of 60, then 60% of the scores are higher than your score.

The single most important legislation that has shaped the federal government's approach to controlled substances was

A. alcohol prohibition (the 18th Amendment). B. the Pure Food and Drugs Act. C. the Marijuana Tax Act. D. the Dangerous Drugs Act.

Which of the following is the fifth taste quality that has recently been added to the

traditional four qualities? a. Saccharin b. Bitter c. Sweet d. Umami e. Sodium