What typically happens to the size, shape, and sorting of clasts as they are transported from steep mountains toward more gentle settings?

A) the size of the clasts increases
B) the clasts become more rounded
C) the sediment becomes more poorly sorted
D) all of these

Clasts

Elements of a sedimentary rock that are made up of broken pieces or fragments of pre-existing rocks.

Transported

Moved or carried from one place to another, applicable to various contexts such as material transportation or the movement of sediment.

Rounded

Rounded refers to the physical shape of particles or objects that have smooth edges and curves, often a result of erosion or abrasion processes.