Three major roles that government plays in our economy?

The earth's internal process which drives seafloor spreading is

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

Name one type of data that h-r diagrams do not show.