Choose from options: Determine if the sentence is true based on the text below:
Topographic maps are hard to come by

How to read topographic maps<br>Use the thicker contour lines to determine the elevation. Contour lines represent paths or segments of the earth. Topographic maps are covered in contour lines.
Choose from:
 (a). Yes.
 (b). It's impossible to say.
 (c). No.