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State whether the following is true or false.
A feature absent from a map is necessarily absent from the ground.

  • A.True
  • B.False
  • C.True only at large scales
  • D.False only at small scales

Answer: B

Selection removes whatever the specification did not call for, and generalisation merges or drops what will not fit at the scale. Absence on the sheet is therefore weak evidence about the ground and no evidence at all at small scales.

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