Question

What is countour lines?

Answer 1

Answer:

a line on a map joining points of equal height above or below sea level.

Answer 2

Answer:

a line on a map joining points of equal height above or below sea level.

Explanation:

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.

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