Non renewable recourses can be viewed as :

a) energy sources using wind power.

b) energy sources using solar power.

c) existing in a fixed amount, but are easily replaced.

d) existing in a fixed amount; they will run out eventually.

sediment layers stop spreading when they reach a barrier or they run out of sedimentary material. lateral spreading is the movement of gently to steeply sloping, saturated soil deposits caused by earthquake-induced liquefaction. i hope this . : )