How has the geosphere changed over time?
a. the composition of the atmosphere has changed.
b. the amount of ice in glaciers has changed.
c. the plant and animal life has changed.
d. the physical locations of the landmasses have changed.

Liquefaction is a. a quicksand-like condition arising in some wet soils during earthquakes. b. flooding caused by tsunamis. c. flooding of coastal areas due to tectonic subsidence. d. flooding caused by dam failure resulting from an earthquake.