'contour' can also refer to...


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A line on a map joining places of equal heights, and sometimes equal depths, above and below sea level. The contour interval is the vertical change between consecutive contours. Contour ploughing is a method of ploughing parallel to the contours rather than up or down a slope. It is used to check soil erosion and the formation of gullies.

Subjects: Earth Sciences and Geography — Mathematics.

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