Which of the following factors can influence changes in a dining facility's menu?

The seasonal availability of ingredients is a significant factor influencing changes in a dining facility's menu because it directly affects the quality, freshness, and variety of the dishes that can be offered. Many chefs and restaurant managers prioritize using ingredients that are in season as they tend to enhance the overall flavor and appeal of the meals. Seasonal ingredients not only allow for more creative and varied menus but can also be more cost-effective, as they are often more readily available and do not require long-distance shipping.

In contrast, while the decor of the dining area, popularity of television cooking shows, and the number of employees in the kitchen can have indirect effects on a dining facility's operations or customer draw, they do not have the same direct and practical impact on the actual menu offerings. Focusing on seasonal ingredients helps ensure that the menu stays dynamic, reflects the culinary trends, and aligns with what is sustainably sourced.