If there is sufficient number of contours, they follow irregular path and their value varies from 200 to 1000 metre, it is a _________.
A
Mountainous area
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B
Plateau
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C
Plain
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D
coastal area
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Solution
The correct option is A Mountainous area The most common method of representing the topography of a particular area is to use contour lines.
The contour interval of a map is the vertical distance between the contour lines. The interval is determined by the purpose of the map and by the terrain being mapped. A sufficient number of contour lines are numbered so that there is no confusion regarding the elevation of a particular contour. If the value varies between 200 to 1000 metre, it depicts a mountainous area. For the plateau and plain land, these value are very low compared to mountains. Hence, option A is the correct answer.