1. A ____________________________ is a line on a topographic map that connects points of equal elevation
2. A _______________________________ is a darker and/ or thicker contour line that is labeled with the elevation of that line.
3. The distance between two contour lines is call the ______________________________________________.
4. On a topographic map contour lines that have a "V" shape indicate that ______________________ is occurring.
5. On a topographic map the V shape contour lines point________.