Select the correct statement_______________?

A. A contour is not necessarily a closed curve

B. Two contours of different elevations do not cross each other except in case of an overhanging cliff

C. A contour represents a ridge line if the concave side of lower value contour lies towards the higher value contour

D. All of the above statements are correct

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.