Which of these plants produce leaves with chemicals that affect the behavior and/or mood of people?

Question

Quizplus · Accepted Answer

All of these plants produce leaves with chemicals that affect the behavior and/or mood of people. 
- Tobacco contains nicotine, which is a stimulant that can increase alertness and mood.
- Tea contains caffeine, which is also a stimulant that can increase energy and alertness.
- Coca contains cocaine, which is a powerful stimulant that can increase energy, mood, and confidence.
- Marijuana contains THC (tetrahydrocannabinol), which is a psychoactive compound that can affect mood, perception, and behavior.

Which of These Plants Produce Leaves with Chemicals That Affect