Which two statements describe events that help drive plate tectonics

How can minerals crystallize from materials dissolved in water? check all that apply.

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d