Question

a cartographer is mapping changes to the map of the european union, a supranational organization in europe, as a result of the british exit from the union in 2020. precise information is needed to locate and map borders. which geospatial tool would be the best to gather this information?
remote sensing
area analysis
geographic information systems (gis)
global positioning system (gps)
airborne cameras

Explanation:

• Remote sensing: Detects and monitors the physical characteristics of an area by measuring its reflected and emitted radiation. While it can provide imagery, it may not be the most precise for border - mapping in this context.
• Area analysis: A rather broad term that doesn't specifically refer to a tool with the precision needed for border - mapping.
• Geographic information systems (GIS): Used for capturing, storing, checking, and displaying data related to positions on Earth’s surface. It can integrate various data sources but is more about data management and analysis rather than the initial precise location gathering.
• Global positioning system (GPS): Provides highly precise location information. It can accurately determine the coordinates of border points, which is crucial for mapping borders.
• Airborne cameras: Can take images but may lack the precision of GPS for exact border - point location.

Answer:

Global positioning system (GPS)