How do geologists learn about earths interior

This map shows the member states of the european union (eu). based on this map, what is the most likely reason the eu was formed? a) to increase trade between european nations b) to protect themselves from foreign enemies c) to begin the process of forming one large nation d) to isolate europe from the rest of the international community j

Why would the composition of a meteorite resemble the earth's interior?

What first caused people to consider that the continents were once one large landmass?