(1 point) Frodo and Sam are studying a topographic map of Mordor. Place the letter describing contour lines on a map to the left of the number describing a possible goal. 1. If Frodo and Sam want to find Mount Doom, they should look for: 2. If Frodo and Sam want to go directly uphill, they should go: 3. If Frodo and Sam want to find the River Anduin, they should look for: 4. If Frodo and Sam want to find a level route, they should look at: A. Parallel contour lines B. Perpendicular to the contour lines C. Single contour lines D. Concentric contour lines