What are contour lines and how do they work?
Contour lines are lines on a map that connect points of equal elevation. They help visualize the terrain.
How can I tell the steepness of a slope using contour lines?
The closer the contour lines are to each other, the steeper the slope. If they are far apart, the slope is gentle.
Can you explain what a closed contour line indicates?
A closed contour line indicates a hill or a depression. If the lines are hilly, it's a peak; if they have hachures, it's a depression.
Are contour lines used in all types of maps?
Contour lines are primarily used in topographic maps, but they can also appear in some geological and meteorological maps.
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