Rural settlements are centers for and provide a small number of services while urban settlements are centers for and services.

Agriculture services and consumers and business services.

Explanation:

Agriculture services are those related to the agro and dairy products etc and are mostly found in the rural areas and the consumer services are those services that provide retail and wholesale jobs and hospitality and leisure. The business services is to facilitate the business activity and they most commonly include those of the finance transportation and professional services.

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

The correct answer is:   [b]:   "has no atmosphere" .