Pls help no links Which of the following factors would fuel the creation of more nation-states?

Assimilation
Self-determination
Increasing federalism
Empire building
The collapse of a multination state

At a continent-continent convergence,

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

An enormous wave generated by an earthquake beneath the seafloor is known as a