Contour lines follow some basic rules. If you understand contour lines, you should be able to explain the importance of each rule. Which of the following is true? Highlight all that apply. Contour lines never cross Contour lines never skip (i.e. the sequence of lines must not skip an interval i.e. 10, 20, 40 without 30 in between) Contour lines are always evenly spaced One contour line can have multiple elevations

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