What is the main characteristic of the tertiary sector?

The main characteristic of the tertiary sector is the provision of services rather than goods. This sector focuses on delivering services that support both consumers and businesses, distinguishing it from the primary and secondary sectors, which are primarily concerned with extracting raw materials and manufacturing products, respectively.

In the tertiary sector, activities include a wide range of services such as retail, healthcare, education, finance, hospitality, and entertainment. These services play a crucial role in the economy by enhancing the quality of life, facilitating trade, and ensuring that both the primary and secondary sectors can operate effectively by providing necessary support functions.

While the other options relate to significant economic activities, they do not accurately define the tertiary sector. Manufacturing relates strictly to the secondary sector, which involves transforming raw materials into finished goods. The extraction of natural resources pertains to the primary sector, focused on raw materials. Research and development activities often span various sectors, particularly primary and secondary, aimed at innovating products or processes rather than the direct provision of services. Hence, the distinctive feature of the tertiary sector is its emphasis on service delivery, making it critical to understanding the structure and functioning of modern economies.