Final answer:
Emptying your pockets before weighing yourself is considered manipulation because it involves altering the weight measurement by removing objects from your pockets.
Step-by-step explanation:
The correct answer is d. Manipulation.
Emptying your pockets before weighing yourself is considered manipulation because it involves altering the weight measurement by removing objects from your pockets. This action can make your weight appear lower than it actually is, providing a false result on the scale.