Concept:A rural settlement is best identified by its reliance on primary activities.
Explanation:Rural settlements are found in village or countryside areas.
People living there depend directly on natural resources for their livelihood.
Their main occupations include farming, fishing, lumbering, and mining.
These occupations belong to the primary sector of the economy.
Secondary activities involve manufacturing, while tertiary activities involve services.
Rural settlements generally have small land areas and low population density.
Therefore, their defining characteristic is the dominance of primary activities.
Answer:A. primary activities