Can one of yall help me out please

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

As water is cooled from 4 c to 0 c its density

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles