Question

what is a contour line ?
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Answer 1

Contour lines are lines drawn on a map connecting points of equal elevation. If we walk along contour line we neither gain or lose elevation. The contour line represented by the shoreline separates areas that have elevations above sea level from those that have elevations below sea level.

Answer 2

Answer:

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

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