Asked by Melissa Quintanilla on Jul 21, 2024
Verified
Topographic maps often have some contour lines that are darker than other contour lines. These darker lines are called:
A) index contours
B) contour intervals
Index Contours
Lines on a map that represent constant elevations above sea level, distinguished by being wider or more prominent than other contour lines.
Contour Intervals
The vertical distance or difference in elevation between contour lines on a map.
- Understand the different classifications of maps and their distinct roles in geological research.
Verified Answer
MM
Malak MucharrafiehJul 24, 2024
Final Answer :
A
Explanation :
Index contours are the darker lines on a topographic map, used to make reading the map easier by highlighting every fifth contour line to help users quickly identify elevation levels.
Learning Objectives
- Understand the different classifications of maps and their distinct roles in geological research.