Final answer:
The dominant type of foodservice in the United States is conventional, selling fresh meals prepared and cooked on-site. Despite the popularity of ready prepared meals like TV dinners, conventional services still prevail in various establishments.
Step-by-step explanation:
The dominant type of foodservice in the United States is conventional. This mode of foodservice is characterized by meals being made from scratch, using basic raw ingredients prepared and served within the same facility. The rise of such services correlates with the increased pace of life and the desire for convenience in American society.
Despite the presence of ready prepared meals, also symbolized by the advent of the 'TV dinner' as mentioned, conventional foodservices remain prevalent. These operations may exist in various settings such as restaurants, schools, and hospitals, and they emphasize on-site meal preparation and cooking. Conventional service's adaptation over the years also includes incorporating elements of ready prepared food items in menus, but the fresh preparation remains the core.