Question

A contour interval is the

• A. difference in elevation between one contact line and the next.
• B. difference in color between one contour line and the next.
• C. difference in elevation between one contour line and the next.
• D. difference in rock age between one geologic unit and the next.

Answer 1

Answer: (C)

difference in elevation between one contour line and the next.

Contour lines are the lines joining points of equal height above or below sea level.

Contour interval is the vertical distance between the two contour lines which are next to each other.