Final answer:
The method that is NOT a way to minimize water loss by transpiration is 'e) all are methods that are used'.
Step-by-step explanation:
Among the given options, the method that is NOT a way to minimize water loss by transpiration is e) all are methods that are used.
The other options listed, such as placing the plant in a humidity chamber, spraying with antitranspirants, placing in a cool, humid place, and using an intermittent mist system, all aim to reduce water loss through transpiration. These methods help create a more favorable environment for the plant, where water loss is minimized.