Question

What is contour lines??​

Answer 1

Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. ... Numbers on the lines give the height in feet. (Sea level is zero.) Lines drawn closely together indicate that a slope is steep.

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Answer 2

Answer:

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

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