Cargo services are a part of the _______ activities of the service sector.

Correct option is C

The correct answer is (c) tertiary.
Cargo services are part of the tertiary sector, which involves the provision of services rather than goods. The tertiary sector is also known as the service sector.
This sector includes activities such as transportation, communication, retail, financial services, education, and health care.
Cargo services involve the transportation of goods, which is a fundamental part of the service sector.
Information Booster:
Transport: While cargo services are indeed related to transport, transport is a subcategory within the tertiary sector rather than an overarching category in this context.
Primary: The primary sector involves the extraction and production of raw materials, such as agriculture, mining, and fishing.
Quaternary: The quaternary sector involves knowledge-based activities, such as information technology, research and development, and education, which are distinct from transport services.