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Which one of the following statements is not correct ?

  • A.Contour maps are isopleth maps.
  • B.Isopleths are lines of equal value.
  • C.Isopleth technique always takes administrative boundaries into account.
  • D.Isopleth technique is suitable for continuous data.

Answer: C

The statement that is not correct is that the isopleth technique always takes administrative boundaries into account. Isopleths are lines of equal value, and contour maps are isopleth maps, and the technique suits continuous data, but isopleths are drawn from point values and ignore administrative boundaries, so the statement is false. The answer is C. For example a contour map joins points of equal height, and an isopleth map of rainfall joins points of equal rainfall, both drawn without regard to district or state limits.

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