12. How does the Tertiary Sector differ from the Primary Sector in terms of economic functions? A The Tertiary Sector focuses on the extraction and harvesting of raw materials while the Primary Sector provides services directly to consumers. B. The Tertiary Sector involves the transformation of raw materials into finished goods whereas the Primary Sector focuses on manufacturing and industry. C The Tertiary Sector provides services such as retail and transportation, whereas the Primary Sector is concerned with extracting or harvesting row materials like coal and wood. D The Tertiary Sector is involved in knowledge-based services and intellectual activities, while the Primary Sector includes activities like research and development.