Question

what are contours. explain in brief

Answer 1

Answer:

In cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

Explanation:

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Answer 2

Answer:

An imaginary line that connects points of equal value. A contour map typically shows multiple contours such as elevation or temperature contours.