Answer: Usually on a map, solid lines represent boundaries between nations, or if it is a map of the states, it would represent the borders of the states.
Explanation:
i believe its the phillipeans
The line would have to pass through at least two points.
"The lithosphere is subdivided into tectonic plates. The upper part of the lithosphere which chemically reacts to the atmosphere, hydrosphere and biosphere through the soil forming process is called the pedosphere. The lithosphere is underlain by the athenosphere which is the weaker, hotter, deeper part of the upper mantle."