Why did Daniel Majok Gai return to Sudan? What did he do there? (listenwise)

Witch layer of the atmosphere has the most air pressure

How do convection currents form underwater mountains?

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