Final answer:
False. Cannabis plants, also known as marijuana, have leaves, buds, and flowers that can be smoked for their intoxicating effects. However, tobacco plants are another example of plants whose leaves are smoked for their addictive nicotine content.
Step-by-step explanation:
The correct answer is False. Cannabis plants, also known as marijuana, have leaves, buds, and flowers that can be smoked for their intoxicating effects. However, cannabis is not the only plant with this property. Tobacco plants, for example, have leaves that are commonly smoked for their addictive nicotine content.