[Solved] The defining characteristic of globular dentin is A) interglobular spaces. B) lamellae. C) The presence of ameloblasts. D) sclerotic dentin. Service-Based Economy: An economy where the majority of growth, employment, and production is related to the provision of services rather than the manufacturing of goods. Class Division: The separation of society into different socioeconomic levels, often leading to distinctions in lifestyle, opportunities, and privileges. Unequal Rewards: A situation where benefits, compensation, or recognition are distributed unevenly among individuals or groups, often based on social status, gender, or race. Electronic Cash Registers: These are devices used by retailers to calculate and record sales transactions, manage inventory, and handle cash. They have largely been replaced or augmented by more sophisticated point-of-sale systems.