Final answer:
The Eastern Panhandle of West Virginia is the region with numerous fruit orchards and includes the state's lowest point, while the practice of potlatch is associated with the Pacific Northwest region.
Step-by-step explanation:
The geographical region of West Virginia that includes numerous fruit orchards and the state's lowest point is the Eastern Panhandle. This area is known for its fertile soil which supports the growth of a variety of fruits, making it a prime location for orchards.
Harpers Ferry, located in the Eastern Panhandle, is the lowest point in the state of West Virginia. The Eastern Panhandle differs considerably from the Shenandoah Valley and the Appalachian Mountains in terms of topography and agriculture, and is better known for its unique cultural and physical geographic features.
As for the question regarding the practice of potlatch, it is associated with the Pacific Northwest region. This indigenous custom involves a ceremonial feast and the distribution of gifts to show wealth and generosity.