Answer:
If the contour lines are close together it means that the change in elevation is very steep.
Explanation:
A is not correct because if the topography is almost flat, the contour lines would be very far apart.
B is correct because the closer the contour lines are, the steeper the topography is, meaning that the terrain is very steep.
C is not correct because if the elevation is not changing, the contour lines will be missing from that part of the map.
When tectonic plates move or when they rubbed with each other earthquake happens