What is weathering?
a. process by which weathered and eroded materials is deposited by wind, water and ice.
b. the movement of weathered material by wind, water or ice.
c. process by which exposed rock is broken down by rain, frost, wind or other elements of weather.
d. a physical structure on earth that occurs naturally.

C because weathering means the natural process of rock particles getting eroded in which various kinds of natural factors like temperature, rain, etc breaks rock into smaller pieces

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 . : )

it's actually d for edge-nuity.