Final answer:
The example of static electricity is when a person rubs a shoe on a rug, and extra electrons are transferred to the shoe, leading to an accumulation of static charge.
Step-by-step explanation:
The statement that describes an example of static electricity is:
A. A person rubs a shoe on a rug, causing extra electrons to be transferred to the shoe.
This is an example of static electricity because when you rub two different materials together, such as a shoe and a rug, electrons can be transferred from one object to the other. This transfer creates an excess of negative charge (electrons) on one object and a deficiency on the other, leading to static electricity. When the charged object comes into contact with another object or a conductor, the excess electrons can jump, resulting in the familiar 'zap' or spark.