Which of the following best describes DEM (Digital Elevation Model)

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Which of the following best describes DEM (Digital Elevation Model)?

A. A model showing underground structures

B. A raster dataset representing ground surface elevations

C. A vector dataset of geological faults

D. A map of soil types

Answer: Option B

DEM is a raster representation of terrain elevations used extensively in hydrological modeling, slope analysis, and construction planning.

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