Q30
Which of the following best describes DEM (Digital Elevation Model)?
A.
A model showing underground structures
B.
A raster dataset representing ground surface elevations
AnswerC.
A vector dataset of geological faults
D.
A map of soil types
Answer: Option B
Solution
Answer: Option B
Solution:
DEM is a raster representation of terrain elevations used extensively in hydrological modeling, slope analysis, and construction planning.