Final answer:
The San Andreas Fault in California is a real-life example of a transform boundary where the Pacific plate and the North American plate are moving horizontally beside each other in opposite directions.
Step-by-step explanation:
A real-life example of a transform boundary is the San Andreas Fault in California. It is formed by the movement of the Pacific plate and the North American plate. These two plates are moving horizontally beside each other in opposite directions. The Pacific plate is moving northward, while the North American plate is moving southward.