Which of the following can cause damage days or months after a large earthquake? . a.. the arrival of surface waves.. b.. liquefaction.. c.. a tsunami.. d.. an aftershock.

An aftershock can cause damage days or months after a large earthquake. The correct answer is D, an aftershock. 

It is c. naturally in the environment

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.