Question

The method of obtaining information by using sensors without being in direct contact with the object or area is called :

• A. Remote sensing
• B. GIS
• C. Cartography
• D. Contour Mapping

Answer 1

Answer:

A. Remote sensing

Remote Sensing

• Remote sensing is the process of detecting and monitoring the physical characteristics of an area by measuring its reflected and emitted radiation at a distance (typically from satellite or aircraft). It’s essentially "seeing" without touching.

• GIS (Geographic Information System): This is the software/framework used for storing, visualizing, and analyzing the data. While it often uses remote sensing data, GIS is the "brain" that organizes the info, not the method of gathering it from a distance.

• Cartography: This is the art and science of map-making. It is the final presentation of geographic data.

• Contour Mapping: A specific technique used to show elevation and terraign on a map using lines (contours). It’s a style of mapping, not a data collection method.