What makes the Pacific Coast region an unstable place for human development?

The blank theory suggests that the sun, planets, and other celestial bodies of the solar system came from a cloud of dust and gas? a.) condensationb.) steady state c.) big bang d.) nebular

A, as , to a , as a , is as a. b. c. d.

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!