The correct answer is B. The data is linked to locations.
Step-by-step explanation
A geographic information system (GIS) is a set of tools that integrate and relate geographic information linked to a specific geographic reference (location). These systems allow scientists and students of geographic subjects to organize, store, manipulate, and analyze geographic information to relate data from different sources such as social-cultural, economic and environmental. So the correct answer is B. The data is linked to locations.