Which layer of earth is primarily responsible for giving earth its magnetic properties?
upper mantle
lower mantle
outer core
inner core

What effect did the process of urbanization in europe have on the economies of europe? and what document would support the answer?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

Why are nation-states difficult to create?