Question

uses of contour lines

Answer 1

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✔ Contour ploughing is an effective method used for the prevention of soil erosion .


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Answer 2

Characteristics of Contour Maps

The contours maps have the following characteristics:

 Contour lines must close, not necessarily in the limits of the plan.

Widely spaced contour indicates flat surface.

Closely spaced contour indicates steep ground.

Equally spaced contour indicates uniform slope.

Irregular contours indicate uneven surface.

Approximately concentric closed contours with decreasing values towards centre (Fig. 1) indicate a pond.

Approximately concentric closed contours with increasing values towards centre indicate hills

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