You have recognized from the map that the earthquake zones, volcanoes and mountain ranges overlap. Why is this so?

You have recognized from the map that the earthquake zones, volcanoes

1.	You have recognized from the map that the earthquake zones, volcanoes and mountain ranges overlap. Why is this so?
Answer» The crust, which is the outermost layer of the earth is solid. The crust, together with the upper part of the mantle, is the lithosphere. The lithosphere exists as several fragments just like the broken shell of an egg. Compared to the thickness of the portion from the crust to the inner core, the lithosphere is very thin. The portions of the lithosphere which are several thousand kilometers wide and roughly, 100 kilometers thick are called lithospheric plates. Whether big or small, each plate contains oceanic as well as continental areas.